Cita APA (7a ed.)
American Forestry Association & American Forests (Association). (1931). American forests. American Forestry Association.
Cita Chicago Style (17a ed.)
American Forestry Association y American Forests (Association). American Forests. Washington, D.C.: American Forestry Association, 1931.
Cita MLA (9a ed.)
American Forestry Association y American Forests (Association). American Forests. American Forestry Association, 1931.
Precaución: Estas citas no son 100% exactas.