APA (7th ed.) Citation

Wetmore, H. C., Grey, Z., & Remington, F. (1918). Last of the great scouts (Buffalo Bill). Grosset & Dunlap.

Chicago Style (17th ed.) Citation

Wetmore, Helen Cody, Zane Grey, and Frederic Remington. Last of the Great Scouts (Buffalo Bill). New York: Grosset & Dunlap, 1918.

MLA (9th ed.) Citation

Wetmore, Helen Cody, et al. Last of the Great Scouts (Buffalo Bill). Grosset & Dunlap, 1918.