APA (7th ed.) Citation

Shellock, F. G., Bierman, H., Shellock, F. G., & Bierman, H. (1989). The safety of MRI. JAMA: Journal of the American Medical Association, 261(23), 3412.

Chicago Style (17th ed.) Citation

Shellock, Frank G., Howard Bierman, F G. Shellock, and H. Bierman. "The Safety of MRI." JAMA: Journal of the American Medical Association 261, no. 23 (1989): 3412.

MLA (9th ed.) Citation

Shellock, Frank G., et al. "The Safety of MRI." JAMA: Journal of the American Medical Association, vol. 261, no. 23, 1989, p. 3412.