APA (7th ed.) Citation

R, M., GT, L., & A, L. (2000). Older Americans hold on to life dearly. BMJ (Clinical research ed.), 320(7243), 1206.

Chicago Style (17th ed.) Citation

R, McShine, Lesser GT, and Likourezos A. "Older Americans Hold on to Life Dearly." BMJ (Clinical Research Ed.) 320, no. 7243 (2000): 1206.

MLA (9th ed.) Citation

R, McShine, et al. "Older Americans Hold on to Life Dearly." BMJ (Clinical Research Ed.), vol. 320, no. 7243, 2000, p. 1206.