APA Edition Citation

Speiser, E. A. (1951). Ancient mesopotamia a light that did not fail.

Chicago Edition Citation

Speiser, E A. Ancient Mesopotamia a Light That Did Not Fail. National geographic magazine, Washington, 1951.

MLA Edition Citation

Speiser, E A. Ancient Mesopotamia a Light That Did Not Fail. 1951.

Warning: These citations may not always be 100% accurate.