Cita APA (7a ed.)

Mayer, W. (1961). Early travellers in Mexico, 1534 to 1816 (1 ed.). s.e..

Cita Chicago Style (17a ed.)

Mayer, William. Early Travellers in Mexico, 1534 to 1816. 1 ed. México: s.e., 1961.

Cita MLA (9a ed.)

Mayer, William. Early Travellers in Mexico, 1534 to 1816. 1 ed. s.e., 1961.