APA (7th ed.) Citation

Croall, S., & Rankin, W. (1981). Ecology for beginners. Pantheon Books.

Chicago Style (17th ed.) Citation

Croall, Stephen, and William Rankin. Ecology for Beginners. New York: Pantheon Books, 1981.

MLA (9th ed.) Citation

Croall, Stephen, and William Rankin. Ecology for Beginners. Pantheon Books, 1981.