Cita APA (7th ed.)

Williams, S. J. (1995). Essentials of health services. Delmar Publishers.

Cita Chicago (17th ed.)

Williams, Stephen J. Essentials of Health Services. Albany, NY: Delmar Publishers, 1995.

Cita MLA (9th ed.)

Williams, Stephen J. Essentials of Health Services. Delmar Publishers, 1995.