1.
, . The cow boy. Norman (Okla.): University of Oklahoma Press; 1997.
et . The cow boy. Norman (Okla.) : University of Oklahoma Press, 1 juin 1997. ISBN 0-8061-2936-0
Rollins Philip Ashton & Slatta Richard W. (1997). The cow boy: An unconventional history of civilization on the old-time cattle range. University of Oklahoma Press.
MLA (8th ed.) CitationRollins Philip Ashton and Slatta Richard W. The Cow Boy: An Unconventional History of Civilization on the Old-time Cattle Range. University of Oklahoma Press, 1997.
Warning: These citations may not always be 100% accurate.