APA (7th ed.) Citation

DJ, E., R, B., & JS, L. (1983). Claims that retirement improves health. Journal of gerontology, 38(2), 231. https://doi.org/10.1093/geronj/38.2.231

Chicago Style (17th ed.) Citation

DJ, Ekerdt, Bosse R, and LoCastro JS. "Claims That Retirement Improves Health." Journal of Gerontology 38, no. 2 (1983): 231. https://doi.org/10.1093/geronj/38.2.231.

MLA (9th ed.) Citation

DJ, Ekerdt, et al. "Claims That Retirement Improves Health." Journal of Gerontology, vol. 38, no. 2, 1983, p. 231, https://doi.org/10.1093/geronj/38.2.231.