APA (7th ed.) Citation

Buff, M., & Buff, C. (1968). The Colorado: River of mystery. Ward Ritchie Press.

Chicago Style (17th ed.) Citation

Buff, Mary, and Conrad Buff. The Colorado: River of Mystery. Los Angeles: Ward Ritchie Press, 1968.

MLA (9th ed.) Citation

Buff, Mary, and Conrad Buff. The Colorado: River of Mystery. Ward Ritchie Press, 1968.