एपीए उद्धरण

Simon, J. L. (1987). Effort, opportunity, and wealth. Oxford: Basil Blackwell.

शिकागो स्टाइल उद्धरण

Simon, Julian L. Effort, Opportunity, and Wealth. Oxford: Basil Blackwell, 1987.

एमएलए उद्धरण

Simon, Julian L. Effort, Opportunity, and Wealth. Oxford: Basil Blackwell, 1987.