APA (7th ed.) Citation

DS, E., JR, L., SB, G., M, M., & SE, K. (1999). Is physician detection associated with thinner melanomas? JAMA, 281(7), 640. https://doi.org/10.1001/jama.281.7.640

Chicago Style (17th ed.) Citation

DS, Epstein, Lange JR, Gruber SB, Mofid M, and Koch SE. "Is Physician Detection Associated with Thinner Melanomas?" JAMA 281, no. 7 (1999): 640. https://doi.org/10.1001/jama.281.7.640.

MLA (9th ed.) Citation

DS, Epstein, et al. "Is Physician Detection Associated with Thinner Melanomas?" JAMA, vol. 281, no. 7, 1999, p. 640, https://doi.org/10.1001/jama.281.7.640.