APA (7th ed.) Citation

Giganti, P., & Crews, D. (1992). Each orange had 8 slices: A counting book. Mulberry Paperback Book.

Chicago Style (17th ed.) Citation

Giganti, Paul, and Donald Crews. Each Orange Had 8 Slices: A Counting Book. New York: Mulberry Paperback Book, 1992.

MLA (9th ed.) Citation

Giganti, Paul, and Donald Crews. Each Orange Had 8 Slices: A Counting Book. Mulberry Paperback Book, 1992.