APA (7th ed.) Citation

Crone, G. R. (1968). Maps and their makers. Hutchinson Uuiversity Library.

Chicago Style (17th ed.) Citation

Crone, G. R. Maps and Their Makers. London: Hutchinson Uuiversity Library, 1968.

MLA (9th ed.) Citation

Crone, G. R. Maps and Their Makers. Hutchinson Uuiversity Library, 1968.

Warning: These citations may not always be 100% accurate.