Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Schaedel, R. P. (1956). Prehistoric urban centers on the North Peruvian coast: Their origin. [s.n.].

Chicago Citation Edition Citation

Schaedel, Richard P. Prehistoric Urban Centers on the North Peruvian Coast: Their Origin. Boston, Mass.: [s.n.], 1956.

MLA Citation Edition Citation

Schaedel, Richard P. Prehistoric Urban Centers on the North Peruvian Coast: Their Origin. [s.n.], 1956.