APA (7th ed.) Citation

Emory, W., & Cooper, D. R. (1991). Business research methods (4th ed.). Irwin.

Chicago Style (17th ed.) Citation

Emory, William, and Donald R. Cooper. Business Research Methods. 4th ed. Homewood, Ill.: Irwin, 1991.

MLA (9th ed.) Citation

Emory, William, and Donald R. Cooper. Business Research Methods. 4th ed. Irwin, 1991.