APA (7th ed.) Citation

Hutchins, P. (1978). Happy birthday, Sam. Greenwillow Books.

Chicago Style (17th ed.) Citation

Hutchins, Pat. Happy Birthday, Sam. New York: Greenwillow Books, 1978.

MLA (9th ed.) Citation

Hutchins, Pat. Happy Birthday, Sam. Greenwillow Books, 1978.

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