APA (7th ed.) Citation

Whybrow,Ian, & Reynolds,Andrian. (2004). Romp in the swamp. Puffin books.

Chicago Style (17th ed.) Citation

Whybrow,Ian, and Reynolds,Andrian. Romp in the Swamp. England: Puffin books, 2004.

MLA (9th ed.) Citation

Whybrow,Ian, and Reynolds,Andrian. Romp in the Swamp. Puffin books, 2004.

Warning: These citations may not always be 100% accurate.