APA (7th ed.) Citation

Dearmer, G. (1935). They chose to be birds. Heinemann.

Chicago Style (17th ed.) Citation

Dearmer, Geoffrey. They Chose to Be Birds. London: Heinemann, 1935.

MLA (8th ed.) Citation

Dearmer, Geoffrey. They Chose to Be Birds. Heinemann, 1935.

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