Style de citation APA

Westing, A. H. (1994). Population, desertification, and migration. Environmental conservation, 21(2), 110.

Style de citation Chicago

Westing, A H. "Population, Desertification, and Migration." Environmental Conservation 21, no. 2 (1994): 110.

Style de citation MLA

Westing, A H. "Population, Desertification, and Migration." Environmental Conservation, vol. 21, no. 2, 1994, p. 110.