Style de citation APA

Popenoe, H. (1976). Soil conservation in Central America and Panama: Current problems.

Style de citation Chicago

Popenoe, Hugh. Soil Conservation in Central America and Panama: Current Problems. 1976.

Style de citation MLA

Popenoe, Hugh. Soil Conservation in Central America and Panama: Current Problems. 1976.

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