APA (7th ed.) Citation

Seidenberg, A. (1965). The Sixty System of Sumer.

Chicago Style (17th ed.) Citation

Seidenberg, A. The Sixty System of Sumer. Berlin/Heidelberg/New York, 1965.

MLA (8th ed.) Citation

Seidenberg, A. The Sixty System of Sumer. 1965.

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