APA (7th ed.) Citation

MA, P., SL, R., & BJ, S. (2009). Is the effect of reported physical activity on disability mediated by cognitive performance in white and african american older adults? Journals of Gerontology Series B: Psychological Sciences & Social Sciences, 64B(1), 4. https://doi.org/10.1093/geronb/gbn030

Chicago Style (17th ed.) Citation

MA, Popa, Reynolds SL, and Small BJ. "Is the Effect of Reported Physical Activity on Disability Mediated by Cognitive Performance in White and African American Older Adults?" Journals of Gerontology Series B: Psychological Sciences & Social Sciences 64B, no. 1 (2009): 4. https://doi.org/10.1093/geronb/gbn030.

MLA (9th ed.) Citation

MA, Popa, et al. "Is the Effect of Reported Physical Activity on Disability Mediated by Cognitive Performance in White and African American Older Adults?" Journals of Gerontology Series B: Psychological Sciences & Social Sciences, vol. 64B, no. 1, 2009, p. 4, https://doi.org/10.1093/geronb/gbn030.