Cita APA (7a ed.)

FRANK, R. H., & Frank, R. H. &. B. (2009). Principle of Economics. McGraw-Hill.

Cita Chicago Style (17a ed.)

FRANK, Robert H., y Robert H. & Bernanke Frank. Principle of Economics. New York: McGraw-Hill, 2009.

Cita MLA (9a ed.)

FRANK, Robert H., y Robert H. & Bernanke Frank. Principle of Economics. McGraw-Hill, 2009.