APA (7th ed.) Citation

Kramer, S. N. (1963). The Sumerians: Their History, Culture and Character.

Chicago Style (17th ed.) Citation

Kramer, S. N. The Sumerians: Their History, Culture and Character. Chicago, Ill, 1963.

MLA (8th ed.) Citation

Kramer, S. N. The Sumerians: Their History, Culture and Character. 1963.

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