APA (7th ed.) Citation

Spilker, B., & Cramer, J. A. (1992). Patient recruitment in clinical trials. Raven Press.

Chicago Style (17th ed.) Citation

Spilker, Bert, and Joyce A. Cramer. Patient Recruitment in Clinical Trials. New York: Raven Press, 1992.

MLA (9th ed.) Citation

Spilker, Bert, and Joyce A. Cramer. Patient Recruitment in Clinical Trials. Raven Press, 1992.