APA (7th ed.) Citation

Campbell, J. P. (1982). What to study: Generating and developing research questions. Sage Publications.

Chicago Style (17th ed.) Citation

Campbell, John Paul. What to Study: Generating and Developing Research Questions. Beverly Hills: Sage Publications, 1982.

MLA (8th ed.) Citation

Campbell, John Paul. What to Study: Generating and Developing Research Questions. Sage Publications, 1982.

Warning: These citations may not always be 100% accurate.