Cita APA

Burtt, H. E. (1967). Psychology of birds: An Interpretation of bird behavior.

Chicago Edition Citation

Burtt, Harold E. Psychology of Birds: An Interpretation of Bird Behavior. Macmillan & Co. Ltd., New York, 1967.

Cita MLA

Burtt, Harold E. Psychology of Birds: An Interpretation of Bird Behavior. 1967.