APA (7th ed.) Citation

Gerhard, P. (1972). A guide to the historical geography of New Spain. University Press.

Chicago Style (17th ed.) Citation

Gerhard, Peter. A Guide to the Historical Geography of New Spain. Cambridge [Eng.]: University Press, 1972.

MLA (8th ed.) Citation

Gerhard, Peter. A Guide to the Historical Geography of New Spain. University Press, 1972.