APA (7th ed.) Citation

Guinn, J. M. (1910). The passing of the cattle barons of California. [The Pacific Monthly?].

Chicago Style (17th ed.) Citation

Guinn, J. M. The Passing of the Cattle Barons of California. [Portland, Oregon?]: [The Pacific Monthly?], 1910.

MLA (9th ed.) Citation

Guinn, J. M. The Passing of the Cattle Barons of California. [The Pacific Monthly?], 1910.