APA (7th ed.) Citation

Marks, H. (2011). The most important thing: Uncommon sense for the thoughtful investor. Columbia University Press.

Chicago Style (17th ed.) Citation

Marks, Howard. The Most Important Thing: Uncommon Sense for the Thoughtful Investor. New York: Columbia University Press, 2011.

MLA (8th ed.) Citation

Marks, Howard. The Most Important Thing: Uncommon Sense for the Thoughtful Investor. Columbia University Press, 2011.