Style de citation APA

Eckholm, E. P. (1982). Down to earth: Environment and human needs. Affiliated East-West Press.

Style de citation Chicago

Eckholm, Erik P. Down to Earth: Environment and Human Needs. New Delhi: Affiliated East-West Press, 1982.

Style de citation MLA

Eckholm, Erik P. Down to Earth: Environment and Human Needs. Affiliated East-West Press, 1982.

Attention : ces citations peuvent ne pas être correctes à 100%.