APA (7th ed.) Citation

Surface, W., & Bjorklund, L. F. (1974). Roundup at the Double Diamond: The American cowboy today. Houghton Mifflin.

Chicago Style (17th ed.) Citation

Surface, William, and Lorence F. Bjorklund. Roundup at the Double Diamond: The American Cowboy Today. Boston: Houghton Mifflin, 1974.

MLA (9th ed.) Citation

Surface, William, and Lorence F. Bjorklund. Roundup at the Double Diamond: The American Cowboy Today. Houghton Mifflin, 1974.