Cita APA (7a ed.)

Riegel, C. E. (1997). Challenging territory: The writing of Margaret Laurence. University of Alberta Press.

Cita Chicago Style (17a ed.)

Riegel, Christian Erich. Challenging Territory: The Writing of Margaret Laurence. Edmonton: University of Alberta Press, 1997.

Cita MLA (9a ed.)

Riegel, Christian Erich. Challenging Territory: The Writing of Margaret Laurence. University of Alberta Press, 1997.