APA (7th ed.) Citation

Mills, E. A. (1931). Bird memories of the Rockies. Houghton Mifflin company.

Chicago Style (17th ed.) Citation

Mills, Enos A. Bird Memories of the Rockies. Boston, New York: Houghton Mifflin company, 1931.

MLA (9th ed.) Citation

Mills, Enos A. Bird Memories of the Rockies. Houghton Mifflin company, 1931.