Cita APA (7a ed.)

Bagrow, L., & Skelton, R. A. (1964). History of cartography. C. A. Watts.

Cita Chicago Style (17a ed.)

Bagrow, Leo, y R. A. Skelton. History of Cartography. London: C. A. Watts, 1964.

Cita MLA (9a ed.)

Bagrow, Leo, y R. A. Skelton. History of Cartography. C. A. Watts, 1964.