APA (7th ed.) Citation

Trafton, G. H. (1916). Bird friends: A complete bird book for Americans. Houghton Mifflin company.

Chicago Style (17th ed.) Citation

Trafton, Gilbert H. Bird Friends: A Complete Bird Book for Americans. Boston, New York: Houghton Mifflin company, 1916.

MLA (9th ed.) Citation

Trafton, Gilbert H. Bird Friends: A Complete Bird Book for Americans. Houghton Mifflin company, 1916.