Style de citation APA (7e éd.)
ebrary, Inc. (1986). Soil conservation: Assessing the national resources inventory. National Academy Press.
Style de citation Chicago (17e éd.)
ebrary, Inc. Soil Conservation: Assessing the National Resources Inventory. Washington, D.C.: National Academy Press, 1986.
Style de citation MLA (9e éd.)
ebrary, Inc. Soil Conservation: Assessing the National Resources Inventory. National Academy Press, 1986.
Attention : ces citations peuvent ne pas être correctes à 100%.