Cita APA (7a ed.)

Portney, L. G., & Watkins, M. P. (2000). Foundations of clinical research: Applications to practice (2nd ed.). Prentice Hall.

Cita Chicago Style (17a ed.)

Portney, Leslie Gross, y Mary P. Watkins. Foundations of Clinical Research: Applications to Practice. 2nd ed. Upper Saddle River, NJ: Prentice Hall, 2000.

Cita MLA (9a ed.)

Portney, Leslie Gross, y Mary P. Watkins. Foundations of Clinical Research: Applications to Practice. 2nd ed. Prentice Hall, 2000.