APA (7th ed.) Citation

Koehler, F. (2014). How to cheer up Dad. Dial Books for Young Readers / Penguin.

Chicago Style (17th ed.) Citation

Koehler, Fred. How to Cheer Up Dad. New York, N.Y: Dial Books for Young Readers / Penguin, 2014.

MLA (9th ed.) Citation

Koehler, Fred. How to Cheer Up Dad. Dial Books for Young Readers / Penguin, 2014.

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