Cita APA (7a ed.)
Gerhard, P. (1972). A guide to the historical geography of New Spain. University Press.
Cita Chicago Style (17a ed.)
Gerhard, Peter. A Guide to the Historical Geography of New Spain. Cambridge [Eng]: University Press, 1972.
Cita MLA (9a ed.)
Gerhard, Peter. A Guide to the Historical Geography of New Spain. University Press, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.