Erickson, J. R. (2004). The modern cowboy (2nd ed.). University of North Texas Press.
Cita Chicago Style (17a ed.)Erickson, John R. The Modern Cowboy. 2nd ed. Denton, Tex.: University of North Texas Press, 2004.
Cita MLA (8a ed.)Erickson, John R. The Modern Cowboy. 2nd ed. University of North Texas Press, 2004.
Precaución: Estas citas no son 100% exactas.