APA (7th ed.) Citation

Campbell, J. P., Daft, R. L., & Hulin, C. L. (1982). What to study: Generating and developing research questions (1. printing.). Sage Publ.

Chicago Style (17th ed.) Citation

Campbell, John P., Richard L. Daft, and Charles L. Hulin. What to Study: Generating and Developing Research Questions. 1. printing. Beverly Hills, Calif. [u.a.]: Sage Publ, 1982.

MLA (9th ed.) Citation

Campbell, John P., et al. What to Study: Generating and Developing Research Questions. 1. printing. Sage Publ, 1982.