Citazione Stile APA (7a Edizione)

(1985). A geographical bibliography for American libraries. Association of American Geographers : National Geographic Society.

Citazione stile Chigago Style (17a edizione)

A Geographical Bibliography for American Libraries. Washington, D.C.: Association of American Geographers : National Geographic Society, 1985.

Citatione MLA (9a ed.)

A Geographical Bibliography for American Libraries. Association of American Geographers : National Geographic Society, 1985.