Cita APA (7a ed.)

Felske, L. W., & Rasporich, B. J. (2004). Challenging frontiers: The Canadian west. University of Calgary Press.

Cita Chicago Style (17a ed.)

Felske, Lorry W., y Beverly Jean Rasporich. Challenging Frontiers: The Canadian West. Calgary, Alta.: University of Calgary Press, 2004.

Cita MLA (8a ed.)

Felske, Lorry W., y Beverly Jean Rasporich. Challenging Frontiers: The Canadian West. University of Calgary Press, 2004.