Cita APA (7a ed.)
Li, Y., & Ferraro, K. F. (2006). Volunteering in Middle and Later Life: Is Health a Benefit, Barrier or Both? Social Forces, 85(1), 497-520.
Cita Chicago Style (17a ed.)
Li, Yunqing, y Kenneth F. Ferraro. "Volunteering in Middle and Later Life: Is Health a Benefit, Barrier or Both?" Social Forces 85, no. 1 (2006): 497-520.
Cita MLA (9a ed.)
Li, Yunqing, y Kenneth F. Ferraro. "Volunteering in Middle and Later Life: Is Health a Benefit, Barrier or Both?" Social Forces, vol. 85, no. 1, 2006, pp. 497-520.
Precaución: Estas citas no son 100% exactas.