Parsons, C. (2007). John B. Armstrong, Texas Ranger and Pioneer Ranchman: Lawman and Rancher. Texas A&M University Press.
Style de citation Chicago (17e éd.)Parsons, Chuck. John B. Armstrong, Texas Ranger and Pioneer Ranchman: Lawman and Rancher. College Station: Texas A&M University Press, 2007.
Style de citation MLA (8e éd.)Parsons, Chuck. John B. Armstrong, Texas Ranger and Pioneer Ranchman: Lawman and Rancher. Texas A&M University Press, 2007.
Attention : ces citations peuvent ne pas être correctes à 100%.