APA (7th ed.) Citation

Gordon, W. W. (1920). Cow-boy ballads. Hanford L. Gordon.

Chicago Style (17th ed.) Citation

Gordon, William Wallace. Cow-boy Ballads. Los Angeles: Hanford L. Gordon, 1920.

MLA (9th ed.) Citation

Gordon, William Wallace. Cow-boy Ballads. Hanford L. Gordon, 1920.