Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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