Cita APA (7a ed.)

Gerhard, P. (1993). A guide to the historical geography of New Spain (Rev. ed.). University of Oklahoma Press.

Cita Chicago Style (17a ed.)

Gerhard, Peter. A Guide to the Historical Geography of New Spain. Rev. ed. Norman [etc.]: University of Oklahoma Press, 1993.

Cita MLA (9a ed.)

Gerhard, Peter. A Guide to the Historical Geography of New Spain. Rev. ed. University of Oklahoma Press, 1993.