APA (7th ed.) Citation

Bagrow, L., & Skelton, R. A. (1964). History of cartography. Harvard University Press.

Chicago Style (17th ed.) Citation

Bagrow, Leo, and R. A. Skelton. History of Cartography. Cambridge: Harvard University Press, 1964.

MLA (9th ed.) Citation

Bagrow, Leo, and R. A. Skelton. History of Cartography. Harvard University Press, 1964.