Cita APA (7a ed.)

Klein, A. M., & Popham, E. A. (2011). A.M. Klein The Letters: Collected Works of A.M. Klein. University of Toronto Press.

Cita Chicago Style (17a ed.)

Klein, A. M., y Elizabeth A. Popham. A.M. Klein The Letters: Collected Works of A.M. Klein. Toronto [Ont.]: University of Toronto Press, 2011.

Cita MLA (8a ed.)

Klein, A. M., y Elizabeth A. Popham. A.M. Klein The Letters: Collected Works of A.M. Klein. University of Toronto Press, 2011.