Style de citation APA (7e éd.)

Bell, G. (2004). The permaculture way: Practical steps to create a self-sustaining world. Chelsea Green Pub. Co..

Style de citation Chicago (17e éd.)

Bell, Graham. The Permaculture Way: Practical Steps to Create a Self-sustaining World. White River Junction, Vt.: Chelsea Green Pub. Co., 2004.

Style de citation MLA (8e éd.)

Bell, Graham. The Permaculture Way: Practical Steps to Create a Self-sustaining World. Chelsea Green Pub. Co., 2004.

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