Cita APA (7th ed.)

ROBINSON, A., SALE, R., & MORRISON, J. (1978). Elements of cartography.-- ed.4. John Wiley and Sons.

Cita Chicago (17th ed.)

ROBINSON, Arthur, Randall SALE, i Joel MORRISON. Elements of Cartography.-- Ed.4. New York: John Wiley and Sons, 1978.

Cita MLA (9th ed.)

ROBINSON, Arthur, et al. Elements of Cartography.-- Ed.4. John Wiley and Sons, 1978.