APA (7th ed.) Citation

Hulley, S. B., Browner, W. S., Cummings, S. R., Grady, D., & Newman, T. B. Designing Clinical Research (Fourth edition.).

Chicago Style (17th ed.) Citation

Hulley, Stephen B., Warren S. Browner, Steven R. Cummings, Deborah Grady, and Thomas B. Newman. Designing Clinical Research. Fourth edition.

MLA (9th ed.) Citation

Hulley, Stephen B., et al. Designing Clinical Research. Fourth edition.