APA (7th ed.) Citation

Robertson, F. C., Tuttle, W. C., Macdonald, W. C., & White, W. P. (1920). Four stirring wild west novels. Home Library Press.

Chicago Style (17th ed.) Citation

Robertson, F. C., W. C. Tuttle, W. C. Macdonald, and William Patterson White. Four Stirring Wild West Novels. Australia: Home Library Press, 1920.

MLA (8th ed.) Citation

Robertson, F. C., et al. Four Stirring Wild West Novels. Home Library Press, 1920.