APA (7th ed.) Citation

Thomas, R. P. (1990). Economics principles & application. The Dryden Press.

Chicago Style (17th ed.) Citation

Thomas, Robert Paul. Economics Principles & Application. The Dryden Press, 1990.

MLA (8th ed.) Citation

Thomas, Robert Paul. Economics Principles & Application. The Dryden Press, 1990.

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