Cita APA

Robinson, A. H., & Sale, R. D. (1969). Elements of cartography J.Wiley.

Citación estilo Chicago

Robinson, Arthur H., and Randall D. Sale. Elements of Cartography. 3. ed. New York: J.Wiley, 1969.

Cita MLA

Robinson, Arthur H., and Randall D. Sale. Elements of Cartography. 3. ed. New York: J.Wiley, 1969.