Citazione Stile APA (7a Edizione)

International Geographical Congress Washington, D.C., International Geographical Union, & Moorman, M. A. (1952). The Status of geography in countries adhering to the international geographical union. [s.n.].

Citazione stile Chigago Style (17a edizione)

International Geographical Congress Washington, D.C., International Geographical Union, e Mildred A. Moorman. The Status of Geography in Countries Adhering to the International Geographical Union. Washington, D.C: [s.n.], 1952.

Citatione MLA (9a ed.)

International Geographical Congress Washington, D.C., et al. The Status of Geography in Countries Adhering to the International Geographical Union. [s.n.], 1952.