APA (7th ed.) Citation

Weninger, B., & Lanning, R. (2000). Happy birthday, Davy! North-South Books.

Chicago Style (17th ed.) Citation

Weninger, Brigitte, and Rosemary Lanning. Happy Birthday, Davy! New York: North-South Books, 2000.

MLA (9th ed.) Citation

Weninger, Brigitte, and Rosemary Lanning. Happy Birthday, Davy! North-South Books, 2000.