Citazione Stile APA (7a Edizione)

American Forestry Association & American Forests (Association). (1931). American forests. American Forestry Association.

Citazione stile Chigago Style (17a edizione)

American Forestry Association e American Forests (Association). American Forests. Washington, D.C.: American Forestry Association, 1931.

Citatione MLA (8a ed.)

American Forestry Association e American Forests (Association). American Forests. American Forestry Association, 1931.