APA (7th ed.) Citation

(1920). Homing pigeon: Care and training for military purposes. GPO.

Chicago Style (17th ed.) Citation

Homing Pigeon: Care and Training for Military Purposes. [Washington]: GPO, 1920.

MLA (9th ed.) Citation

Homing Pigeon: Care and Training for Military Purposes. GPO, 1920.

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