APA (7th ed.) Citation

Drago, H. S. (1960). Appointment on the Yellowstone. Wild West Club by Collins.

Chicago Style (17th ed.) Citation

Drago, Harry Sinclair. Appointment on the Yellowstone. London: Wild West Club by Collins, 1960.

MLA (8th ed.) Citation

Drago, Harry Sinclair. Appointment on the Yellowstone. Wild West Club by Collins, 1960.

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