Cita APA (7a ed.)

Kessler, D. P., & McClellan, M. B. (2004). Advance directives and medical treatment at the end of life. Journal of health economics, 23(1), 111-127. doi:10.1016/j.jhealeco.2003.08.006

Cita Chicago Style (17a ed.)

Kessler, Daniel P., y Mark B. McClellan. "Advance Directives and Medical Treatment at the End of Life." Journal of Health Economics 23, no. 1 (2004): 111-127. https://doi.org/10.1016/j.jhealeco.2003.08.006.

Cita MLA (9a ed.)

Kessler, Daniel P., y Mark B. McClellan. "Advance Directives and Medical Treatment at the End of Life." Journal of Health Economics, vol. 23, no. 1, 2004, pp. 111-127, https://doi.org/10.1016/j.jhealeco.2003.08.006.