Cita APA (7a ed.)

Frye, N., Denham, R. D., & Frye, H. K. (1996). The Correspondence of Northrop Frye and Helen Kemp, 1932-1939: Volume 1. University of Toronto Press.

Cita Chicago Style (17a ed.)

Frye, Northrop, Robert D. Denham, y Helen Kemp Frye. The Correspondence of Northrop Frye and Helen Kemp, 1932-1939: Volume 1. Buffalo: University of Toronto Press, 1996.

Cita MLA (8a ed.)

Frye, Northrop, et al. The Correspondence of Northrop Frye and Helen Kemp, 1932-1939: Volume 1. University of Toronto Press, 1996.