APA (7th ed.) Citation

Hammond, R. C. (1946). My GI aching back. The Hobson book press.

Chicago Style (17th ed.) Citation

Hammond, Ralph C. My GI Aching Back. New York, N. Y.: The Hobson book press, 1946.

MLA (9th ed.) Citation

Hammond, Ralph C. My GI Aching Back. The Hobson book press, 1946.