Shepard, P., & McKinley, D. (1971). Environmental essays on the planet as home. Houghton-Mifflin.
Style de citation Chicago (17e éd.)Shepard, Paul, et Daniel McKinley. Environmental Essays on the Planet as Home. Boston: Houghton-Mifflin, 1971.
Style de citation MLA (9e éd.)Shepard, Paul, et Daniel McKinley. Environmental Essays on the Planet as Home. Houghton-Mifflin, 1971.
Attention : ces citations peuvent ne pas être correctes à 100%.