APA (7th ed.) Citation

Fowler, W., Keeler, E. B., & Keesey, J. (1981). The episodes-of-illness processing system. Rand.

Chicago Style (17th ed.) Citation

Fowler, William, Emmett B. Keeler, and Joan Keesey. The Episodes-of-illness Processing System. Santa Monica, CA: Rand, 1981.

MLA (9th ed.) Citation

Fowler, William, et al. The Episodes-of-illness Processing System. Rand, 1981.