APA (7th ed.) Citation

Wallace, G. J. (1955). An introduction to ornithology (1. print.). MacMillan.

Chicago Style (17th ed.) Citation

Wallace, George John. An Introduction to Ornithology. 1. print. New York: MacMillan, 1955.

MLA (9th ed.) Citation

Wallace, George John. An Introduction to Ornithology. 1. print. MacMillan, 1955.