Cite

Map of prehistoric irrigation canals / Omar A. Turney.

MLA

Turney, Omar A. Map of Prehistoric Irrigation Canals / Omar A. Turney. s.n.], 0AD. https://collections.library.yale.edu/catalog/15818613.

APA, 6th edition

Turney, O. A. (0 C.E.). Map of prehistoric irrigation canals / Omar A. Turney. [Maps]. s.n.], https://collections.library.yale.edu/catalog/15818613.