Cohen, J. E. (1995). How many people can the earth support? Norton.
Style de citation Chicago (17e éd.)Cohen, Joel E. How Many People Can the Earth Support? New York: Norton, 1995.
Style de citation MLA (8e éd.)Cohen, Joel E. How Many People Can the Earth Support? Norton, 1995.
Attention : ces citations peuvent ne pas être correctes à 100%.