Cita APA (7a ed.)

(1964). Final report on the classification of geographical books and maps. International Geographical Union.

Cita Chicago Style (17a ed.)

Final Report on the Classification of Geographical Books and Maps. London: International Geographical Union, 1964.

Cita MLA (9a ed.)

Final Report on the Classification of Geographical Books and Maps. International Geographical Union, 1964.