Citazione Stile APA (7a Edizione)

Weddell, B. J. (2002). Conserving living natural resources: In the context of a changing world. Cambridge Univ. Pr.

Citazione stile Chigago Style (17a edizione)

Weddell, Bertie Josephson. Conserving Living Natural Resources: In the Context of a Changing World. Cambridge: Cambridge Univ. Pr, 2002.

Citatione MLA (9a ed.)

Weddell, Bertie Josephson. Conserving Living Natural Resources: In the Context of a Changing World. Cambridge Univ. Pr, 2002.