Cita APA

Sauer, C. O. (1971). Sixteenth century north America: The land and the people as seen by the europeans. [S.l.].

Citación estilo Chicago

Sauer, Carl Orwin. Sixteenth Century North America: The Land and the People As Seen By the Europeans. [S.l.], 1971.

Cita MLA

Sauer, Carl Orwin. Sixteenth Century North America: The Land and the People As Seen By the Europeans. [S.l.], 1971.