Cita APA (7a ed.)

Killingsworth, M. J. (2004). Walt Whitman and the Earth: A Study of Ecopoetics. University of Iowa Press.

Cita Chicago Style (17a ed.)

Killingsworth, M. Jimmie. Walt Whitman and the Earth: A Study of Ecopoetics. Iowa City: University of Iowa Press, 2004.

Cita MLA (8a ed.)

Killingsworth, M. Jimmie. Walt Whitman and the Earth: A Study of Ecopoetics. University of Iowa Press, 2004.

Precaución: Estas citas no son 100% exactas.