Cita APA

Campbell, J. (1991). Introductory cartography (2nd ed.). Wm. C. Brown.

Citación estilo Chicago

Campbell, John. Introductory Cartography. 2nd ed. Dubuque, Ia: Wm. C. Brown, 1991.

Cita MLA

Campbell, John. Introductory Cartography. 2nd ed. Wm. C. Brown, 1991.

Warning: These citations may not always be 100% accurate.