APA (7th ed.) Citation

Simon, J. L. (1987). Effort, opportunity, and wealth. B. Blackwell.

Chicago Style (17th ed.) Citation

Simon, Julian Lincoln. Effort, Opportunity, and Wealth. Oxford [Oxfordshire], UK ; New York, NY, USA: B. Blackwell, 1987.

MLA (9th ed.) Citation

Simon, Julian Lincoln. Effort, Opportunity, and Wealth. B. Blackwell, 1987.