Cita APA (7a ed.)

Pollard, J. W., & Gwin, L. (2011). Harsh Country, Hard Times: Clayton Wheat Williams and the Transfsormation of the Trans-Pecos. Texas A&M University Press.

Cita Chicago Style (17a ed.)

Pollard, Janet Williams, y Louis Gwin. Harsh Country, Hard Times: Clayton Wheat Williams and the Transfsormation of the Trans-Pecos. College Station: Texas A&M University Press, 2011.

Cita MLA (8a ed.)

Pollard, Janet Williams, y Louis Gwin. Harsh Country, Hard Times: Clayton Wheat Williams and the Transfsormation of the Trans-Pecos. Texas A&M University Press, 2011.