APA (7th ed.) Citation

Burtt, H. E. (1967). The psychology of birds: An interpretation of bird behavior. Macmillan.

Chicago Style (17th ed.) Citation

Burtt, Harold Ernest. The Psychology of Birds: An Interpretation of Bird Behavior. New York: Macmillan, 1967.

MLA (9th ed.) Citation

Burtt, Harold Ernest. The Psychology of Birds: An Interpretation of Bird Behavior. Macmillan, 1967.

Warning: These citations may not always be 100% accurate.