APA (7th ed.) Citation

FRANK H. Robert. (2009). Principles of Economics: Brief Edition. McGraw Hill.

Chicago Style (17th ed.) Citation

FRANK H. Robert. Principles of Economics: Brief Edition. New York: McGraw Hill, 2009.

MLA (9th ed.) Citation

FRANK H. Robert. Principles of Economics: Brief Edition. McGraw Hill, 2009.

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