Cite
Old age and new policy.
MLA
Callahan, Daniel, and D. Callahan. “Old Age and New Policy.” JAMA: Journal of the American Medical Association, vol. 261, no. 6, Feb. 1989, pp. 905–06. EBSCOhost, https://doi.org/10.1001/jama.1989.03420060121045.
APA
Callahan, D., & Callahan, D. (1989). Old age and new policy. JAMA: Journal of the American Medical Association, 261(6), 905–906. https://doi.org/10.1001/jama.1989.03420060121045
Chicago
Callahan, Daniel, and D Callahan. 1989. “Old Age and New Policy.” JAMA: Journal of the American Medical Association 261 (6): 905–6. doi:10.1001/jama.1989.03420060121045.