Cita APA (7th ed.)
Erickson, J. R. (2004). The modern cowboy (2nd ed.). University of North Texas Press.
Cita Chicago (17th ed.)
Erickson, John R. The Modern Cowboy. 2nd ed. Denton, Tex.: University of North Texas Press, 2004.
Cita MLA (9th ed.)
Erickson, John R. The Modern Cowboy. 2nd ed. University of North Texas Press, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.