Style de citation APA

Widdowson, R. W. (1987). Towards holistic agriculture: A scientific approach. New York: Pergamon Press.

Style de citation Chicago

Widdowson, R. W. Towards Holistic Agriculture: A Scientific Approach. New York: Pergamon Press, 1987.

Style de citation MLA

Widdowson, R. W. Towards Holistic Agriculture: A Scientific Approach. New York: Pergamon Press, 1987.

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