Cita APA (7a ed.)

Olson, C., & Butterick, G. F. (1983). The Maximus poems. University of California Press.

Cita Chicago Style (17a ed.)

Olson, Charles, y George F. Butterick. The Maximus Poems. Berkeley [etc.]: University of California Press, 1983.

Cita MLA (9a ed.)

Olson, Charles, y George F. Butterick. The Maximus Poems. University of California Press, 1983.