JR, C., BC, C., RB, W., JH, L., CF, L., JC, T., & LM, R. (1998). Physical activity, physical function, and the risk of breast cancer in a prospective study among elderly women. Journals of Gerontology Series A: Biological Sciences & Medical Sciences, 53A(4), M251. https://doi.org/10.1093/gerona/53a.4.m251
Chicago Style (17th ed.) CitationJR, Cerhan, Chiu BC, Wallace RB, Lemke JH, Lynch CF, Torner JC, and Rubenstein LM. "Physical Activity, Physical Function, and the Risk of Breast Cancer in a Prospective Study Among Elderly Women." Journals of Gerontology Series A: Biological Sciences & Medical Sciences 53A, no. 4 (1998): M251. https://doi.org/10.1093/gerona/53a.4.m251.
MLA (9th ed.) CitationJR, Cerhan, et al. "Physical Activity, Physical Function, and the Risk of Breast Cancer in a Prospective Study Among Elderly Women." Journals of Gerontology Series A: Biological Sciences & Medical Sciences, vol. 53A, no. 4, 1998, p. M251, https://doi.org/10.1093/gerona/53a.4.m251.