APA (7th ed.) Citation

MC, N., & JS, H. (2008). Viewpoint. American Journal of Health Behavior, 32(4), 339.

Chicago Style (17th ed.) Citation

MC, Nagy, and Hallam JS. "Viewpoint." American Journal of Health Behavior 32, no. 4 (2008): 339.

MLA (9th ed.) Citation

MC, Nagy, and Hallam JS. "Viewpoint." American Journal of Health Behavior, vol. 32, no. 4, 2008, p. 339.