APA (7th ed.) Citation

Sierra, J., & Hillenbrand, W. (1997). Counting crocodiles. Harcourt Brace.

Chicago Style (17th ed.) Citation

Sierra, Judy, and Will Hillenbrand. Counting Crocodiles. San Diego: Harcourt Brace, 1997.

MLA (8th ed.) Citation

Sierra, Judy, and Will Hillenbrand. Counting Crocodiles. Harcourt Brace, 1997.