APA (7th ed.) Citation

Sayre & Morris. (2004). Principles of microeconomics (4th ed.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Sayre and Morris. Principles of Microeconomics. 4th ed. Toronto: McGraw-Hill, 2004.

MLA (8th ed.) Citation

Sayre and Morris. Principles of Microeconomics. 4th ed. McGraw-Hill, 2004.