APA (7th ed.) Citation

Clark, S. L., Phelan, J. P., & Cotton, D. B. (1987). Critical care obstetrics. Medical Economics Books.

Chicago Style (17th ed.) Citation

Clark, Steven L., Jeffrey P. Phelan, and David B. Cotton. Critical Care Obstetrics. Oradell, NJ: Medical Economics Books, 1987.

MLA (8th ed.) Citation

Clark, Steven L., et al. Critical Care Obstetrics. Medical Economics Books, 1987.