APA

Bagrow L., Skelton R. A., . (1966). History of cartography. Cambridge: Harvard University Press.

Chicago

Bagrow Leo, Skelton R A, . 1966. History of cartography. Cambridge: Harvard University Press.

Harvard

Bagrow L., Skelton R. A., . (1966). History of cartography. Cambridge: Harvard University Press.

MLA

Bagrow Leo, Skelton R A, . History of cartography. Cambridge: Harvard University Press. 1966.