APA (7th ed.) Citation

Frank, R. H. (2004). Principles of economics (2. ed.). McGraw-Hill Irwin.

Chicago Style (17th ed.) Citation

Frank, Robert H. Principles of Economics. 2. ed. Boston, Mass: McGraw-Hill Irwin, 2004.

MLA (9th ed.) Citation

Frank, Robert H. Principles of Economics. 2. ed. McGraw-Hill Irwin, 2004.