APA (7. basım) Alıntı
Killingsworth, M. J. (2004). Walt Whitman & the earth: A study in ecopoetics. University of Iowa Press.
Chicago Style (17. basım) Atıf
Killingsworth, M. Jimmie. Walt Whitman & the Earth: A Study in Ecopoetics. Iowa City: University of Iowa Press, 2004.
MLA (9th ed.) Atıf
Killingsworth, M. Jimmie. Walt Whitman & the Earth: A Study in Ecopoetics. University of Iowa Press, 2004.
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