APA (7th ed.) Citation

Sierra, J., & Cushman, D. (2004). What time is it, Mr. Crocodile? Gulliver Books.

Chicago Style (17th ed.) Citation

Sierra, Judy, and Doug Cushman. What Time Is It, Mr. Crocodile? Orlando: Gulliver Books, 2004.

MLA (8th ed.) Citation

Sierra, Judy, and Doug Cushman. What Time Is It, Mr. Crocodile? Gulliver Books, 2004.

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