diff --git a/src/Swagger2/Schema/ByteSchema.php b/src/Swagger2/Schema/ByteSchema.php
index 61de641..5710903 100644
--- a/src/Swagger2/Schema/ByteSchema.php
+++ b/src/Swagger2/Schema/ByteSchema.php
@@ -4,11 +4,12 @@
 class ByteSchema extends StringSchema
 {
     /**
+     * @param string $format
      * @return $this
      */
-    public static function create()
+    public static function create($format = "byte")
     {
-        return new self();
+        return new self($format);
     }
 
     public function __construct()
diff --git a/src/Swagger2/Schema/DateSchema.php b/src/Swagger2/Schema/DateSchema.php
index a4e60fc..41185bf 100644
--- a/src/Swagger2/Schema/DateSchema.php
+++ b/src/Swagger2/Schema/DateSchema.php
@@ -4,11 +4,12 @@
 class DateSchema extends StringSchema
 {
     /**
+     * @param string $format
      * @return $this
      */
-    public static function create()
+    public static function create($format = "date")
     {
-        return new self();
+        return new self($format);
     }
 
     public function __construct()
diff --git a/src/Swagger2/Schema/DateTimeSchema.php b/src/Swagger2/Schema/DateTimeSchema.php
index 704f8b8..3c7828f 100644
--- a/src/Swagger2/Schema/DateTimeSchema.php
+++ b/src/Swagger2/Schema/DateTimeSchema.php
@@ -4,11 +4,12 @@
 class DateTimeSchema extends StringSchema
 {
     /**
+     * @param string $format
      * @return $this
      */
-    public static function create()
+    public static function create($format = "date-time")
     {
-        return new self();
+        return new self($format);
     }
 
     public function __construct()
diff --git a/src/Swagger2/Schema/DoubleSchema.php b/src/Swagger2/Schema/DoubleSchema.php
index 085fe5d..f12bbdb 100644
--- a/src/Swagger2/Schema/DoubleSchema.php
+++ b/src/Swagger2/Schema/DoubleSchema.php
@@ -4,11 +4,12 @@
 class DoubleSchema extends NumberSchema
 {
     /**
+     * @param string $format
      * @return $this
      */
-    public static function create()
+    public static function create($format = "double")
     {
-        return new self();
+        return new self($format);
     }
 
     public function __construct()
diff --git a/src/Swagger2/Schema/FloatSchema.php b/src/Swagger2/Schema/FloatSchema.php
index 2bad05a..5ea23d8 100644
--- a/src/Swagger2/Schema/FloatSchema.php
+++ b/src/Swagger2/Schema/FloatSchema.php
@@ -4,11 +4,12 @@
 class FloatSchema extends NumberSchema
 {
     /**
+     * @param string $format
      * @return $this
      */
-    public static function create()
+    public static function create($format = "float")
     {
-        return new self();
+        return new self($format);
     }
 
     public function __construct()
diff --git a/src/Swagger2/Schema/LongSchema.php b/src/Swagger2/Schema/LongSchema.php
index 356b6f3..0dd78e9 100644
--- a/src/Swagger2/Schema/LongSchema.php
+++ b/src/Swagger2/Schema/LongSchema.php
@@ -4,11 +4,12 @@
 class LongSchema extends IntegerSchema
 {
     /**
+     * @param string $format
      * @return $this
      */
-    public static function create()
+    public static function create($format = "int64")
     {
-        return new self();
+        return new self($format);
     }
 
     public function __construct()
diff --git a/src/Swagger2/Schema/StringSchema.php b/src/Swagger2/Schema/StringSchema.php
index da85557..24e15a4 100644
--- a/src/Swagger2/Schema/StringSchema.php
+++ b/src/Swagger2/Schema/StringSchema.php
@@ -1,7 +1,6 @@
 <?php
 namespace WoohooLabs\SpecGenerator\Swagger2\Schema;
 
-
 class StringSchema extends AbstractExtendedSchema
 {
     use StringSchemaTrait;