Cita APA (7a ed.)

Shewmaker, M. (2017). Penumbra: Poems. Ohio University Press.

Cita Chicago Style (17a ed.)

Shewmaker, Michael. Penumbra: Poems. Athens, Ohio: Ohio University Press, 2017.

Cita MLA (8a ed.)

Shewmaker, Michael. Penumbra: Poems. Ohio University Press, 2017.