APA (7th ed.) Citation

ScienceDirect (Online service), Kalita, D. K., & Williams, R. J. (1977). A Physician's handbook on orthomolecular medicine. Pergamon Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Dwight K. Kalita, and Roger J. Williams. A Physician's Handbook on Orthomolecular Medicine. New York: Pergamon Press, 1977.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. A Physician's Handbook on Orthomolecular Medicine. Pergamon Press, 1977.