APA (7th ed.) Citation

Headley, F. W. (1912). The flight of birds. Witherby.

Chicago Style (17th ed.) Citation

Headley, F. W. The Flight of Birds. London: Witherby, 1912.

MLA (8th ed.) Citation

Headley, F. W. The Flight of Birds. Witherby, 1912.

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