Crawford, H. E. W. (2002). Sumer and the Sumerians (Repr.). Cambridge Univ. Press.
Chicago Style (17th ed.) CitationCrawford, Harriet E. W. Sumer and the Sumerians. Repr. Cambridge [u.a.]: Cambridge Univ. Press, 2002.
MLA (8th ed.) CitationCrawford, Harriet E. W. Sumer and the Sumerians. Repr. Cambridge Univ. Press, 2002.
Warning: These citations may not always be 100% accurate.