Cita APA (7a ed.)

Spilker, B. (1991). Guide to clinical trials. Raven Press.

Cita Chicago Style (17a ed.)

Spilker, Bert. Guide to Clinical Trials. New York: Raven Press, 1991.

Cita MLA (8a ed.)

Spilker, Bert. Guide to Clinical Trials. Raven Press, 1991.