APA (7th ed.) Citation

O'Neil, J. B. (1935). They die but once: The story of a Tejano. Knight publications, inc..

Chicago Style (17th ed.) Citation

O'Neil, James Bradas. They Die but Once: The Story of a Tejano. New York: Knight publications, inc., 1935.

MLA (9th ed.) Citation

O'Neil, James Bradas. They Die but Once: The Story of a Tejano. Knight publications, inc., 1935.