APA (7th ed.) Citation

Neumann, J., & Sigrist, R. M. (1978). Harvest Dates in Ancient Mesopotamia as Possible Indicators of Climatic Variations.

Chicago Style (17th ed.) Citation

Neumann, J., and R. M. Sigrist. Harvest Dates in Ancient Mesopotamia as Possible Indicators of Climatic Variations. Dordrecht, 1978.

MLA (8th ed.) Citation

Neumann, J., and R. M. Sigrist. Harvest Dates in Ancient Mesopotamia as Possible Indicators of Climatic Variations. 1978.