Cita APA (7a ed.)
Hay, J. (2007). In defense of nature (1st University of Iowa Press ed.). University of Iowa Press.
Cita Chicago Style (17a ed.)
Hay, John. In Defense of Nature. 1st University of Iowa Press ed. Iowa City: University of Iowa Press, 2007.
Cita MLA (9a ed.)
Hay, John. In Defense of Nature. 1st University of Iowa Press ed. University of Iowa Press, 2007.
Precaución: Estas citas no son 100% exactas.