APA (7th ed.) Citation

Atkins,Jill, & Cox,Steve. (2017). Hippo's birthday. The Watts Publishing Group.

Chicago Style (17th ed.) Citation

Atkins,Jill, and Cox,Steve. Hippo's Birthday. Great Britain: The Watts Publishing Group, 2017.

MLA (9th ed.) Citation

Atkins,Jill, and Cox,Steve. Hippo's Birthday. The Watts Publishing Group, 2017.

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