Cita APA (7a ed.)

Hulley, S. R., Cummings, S. R., Browner, W., Grady, D., & Hearst, N. (2001). Designing clinical research: An epidemiologic approach (2a. ed.). Lippincott Williams and Wilkins.

Cita Chicago Style (17a ed.)

Hulley, Stephen R., Steven R. Cummings, Warren Browner, Deborah Grady, y Norman Hearst. Designing Clinical Research: An Epidemiologic Approach. 2a. ed. Philadelphia: Lippincott Williams and Wilkins, 2001.

Cita MLA (9a ed.)

Hulley, Stephen R., et al. Designing Clinical Research: An Epidemiologic Approach. 2a. ed. Lippincott Williams and Wilkins, 2001.