APA (7th ed.) Citation

Kramer, S. N. (1962). The Sumerians and the World about Them.

Chicago Style (17th ed.) Citation

Kramer, Samuel N. The Sumerians and the World About Them. 1962.

MLA (8th ed.) Citation

Kramer, Samuel N. The Sumerians and the World About Them. 1962.

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