APA (7th ed.) Citation

DR, B., JW, D., JP, M., GD, L., DL, H., TL, Y., . . . RB, B. (1988). Radon: What should physicians know? Pennsylvania medicine, 91(6), 49.

Chicago Style (17th ed.) Citation

DR, Brill, Donovan JW, Maher JP, Lumb GD, Hawk DL, Yarboro TL, Rogers KD, and Birrer RB. "Radon: What Should Physicians Know?" Pennsylvania Medicine 91, no. 6 (1988): 49.

MLA (9th ed.) Citation

DR, Brill, et al. "Radon: What Should Physicians Know?" Pennsylvania Medicine, vol. 91, no. 6, 1988, p. 49.