Cita APA (7a ed.)

Copland, R., & Erler, M. C. (1993). Robert Copland: Poems. University of Toronto Press.

Cita Chicago Style (17a ed.)

Copland, Robert, y Mary Carpenter Erler. Robert Copland: Poems. Toronto [Ont.]: University of Toronto Press, 1993.

Cita MLA (8a ed.)

Copland, Robert, y Mary Carpenter Erler. Robert Copland: Poems. University of Toronto Press, 1993.