Wells, K. B., Marquis, M. S., & Hosek, S. D. (1991). The effects of preferred provider options on use of outpatient mental health services for three employee groups. Rand.
Chicago Style (17th ed.) CitationWells, Kenneth B., M. Susan Marquis, and Susan D. Hosek. The Effects of Preferred Provider Options on Use of Outpatient Mental Health Services for Three Employee Groups. Santa Monica, CA: Rand, 1991.
MLA (9th ed.) CitationWells, Kenneth B., et al. The Effects of Preferred Provider Options on Use of Outpatient Mental Health Services for Three Employee Groups. Rand, 1991.
Warning: These citations may not always be 100% accurate.