APA način citiranja (7. izdanje)
Gerhard, P. (1972). A guide to the historical geography of New Spain. University Press.
Čikaški stil citiranja (17. izdanje)
Gerhard, Peter. A Guide to the Historical Geography of New Spain. Cambridge [Eng]: University Press, 1972.
MLA način citiranja (9. izdanje)
Gerhard, Peter. A Guide to the Historical Geography of New Spain. University Press, 1972.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.