APA Citation

Koopmans, T., & Koopmans, T. (1957). Three essays on the state of economic science. New York, New York: McGraw-Hill.

Chicago Style Citation

Koopmans, Tjalling, and Tjalling Koopmans. Three Essays On the State of Economic Science. New York, New York: McGraw-Hill, 1957.

MLA Citation

Koopmans, Tjalling, and Tjalling Koopmans. Three Essays On the State of Economic Science. New York, New York: McGraw-Hill, 1957.

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