Cita APA (7a ed.)

Young, J. A., & Clements, C. D. (2002). Purshia: The Wild And Bitter Roses. University of Nevada Press.

Cita Chicago Style (17a ed.)

Young, James A., y Charlie D. Clements. Purshia: The Wild And Bitter Roses. Reno: University of Nevada Press, 2002.

Cita MLA (8a ed.)

Young, James A., y Charlie D. Clements. Purshia: The Wild And Bitter Roses. University of Nevada Press, 2002.