APA (7th ed.) Citation

Spilker, B., & Schoenfelder, J. (1991). Data collection forms in clinical trials. Raven Press.

Chicago Style (17th ed.) Citation

Spilker, Bert, and John Schoenfelder. Data Collection Forms in Clinical Trials. New York: Raven Press, 1991.

MLA (9th ed.) Citation

Spilker, Bert, and John Schoenfelder. Data Collection Forms in Clinical Trials. Raven Press, 1991.