Cita APA (7th ed.)

Portinaro, P., & Knirsch, F. (1987). The cartography of North America, 1500-1800. Cresent Books.

Cita Chicago (17th ed.)

Portinaro, Pierluigi, i Franco Knirsch. The Cartography of North America, 1500-1800. New York: Cresent Books, 1987.

Cita MLA (9th ed.)

Portinaro, Pierluigi, i Franco Knirsch. The Cartography of North America, 1500-1800. Cresent Books, 1987.