APA (7th ed.) Citation

RZ, G., K, R., L, B., WL, R., D, S., DC, S., . . . McGinnis, J. M. (2007). Health promotion in later life: It's never too late. American Journal of Health Promotion, 21, 1. https://doi.org/10.4278/0890-1171-21.4.tahp-1

Chicago Style (17th ed.) Citation

RZ, Goetzel, et al. "Health Promotion in Later Life: It's Never Too Late." American Journal of Health Promotion 21 (2007): 1. https://doi.org/10.4278/0890-1171-21.4.tahp-1.

MLA (9th ed.) Citation

RZ, Goetzel, et al. "Health Promotion in Later Life: It's Never Too Late." American Journal of Health Promotion, vol. 21, 2007, p. 1, https://doi.org/10.4278/0890-1171-21.4.tahp-1.