Franklin

MLA

Lehmann, Walter, and Heinrich Doering. The Art of Old Peru. New York: E. Weyhe, 1924.

APA

Lehmann, W., & Doering, H. (1924). The art of old Peru. New York: E. Weyhe.

Chicago

Lehmann, Walter, and Heinrich Doering. The Art of Old Peru. New York: E. Weyhe, 1924.