APA (7th ed.) Citation

Patten, S. N. (1924). Essays in economic theory. A. A. Knopf.

Chicago Style (17th ed.) Citation

Patten, Simon Nelson. Essays in Economic Theory. New York: A. A. Knopf, 1924.

MLA (9th ed.) Citation

Patten, Simon Nelson. Essays in Economic Theory. A. A. Knopf, 1924.