Zettler, R. L. (1987). Enlil's City, Nippur, at the End of the Third Millennium B.C.
Chicago Style (17th ed.) CitationZettler, Richard L. Enlil's City, Nippur, at the End of the Third Millennium B.C. 1987.
MLA (8th ed.) CitationZettler, Richard L. Enlil's City, Nippur, at the End of the Third Millennium B.C. 1987.
Warning: These citations may not always be 100% accurate.