Cita APA (7a ed.)
Christakis, N. A., Asch, D. A., Christakis, N. A., & Asch, D. A. (1993). Biases in how physicians choose to withdraw life support. Lancet, 342(8872), 642-647.
Cita Chicago Style (17a ed.)
Christakis, Nicholas A., David A. Asch, N A. Christakis, y D A. Asch. "Biases in How Physicians Choose to Withdraw Life Support." Lancet 342, no. 8872 (1993): 642-647.
Cita MLA (9a ed.)
Christakis, Nicholas A., et al. "Biases in How Physicians Choose to Withdraw Life Support." Lancet, vol. 342, no. 8872, 1993, pp. 642-647.
Precaución: Estas citas no son 100% exactas.