APA (7th ed.) Citation

BT, W., JW, Y., & E, L. (1993). Probability graphics support for medical reasoning. Methods of information in medicine, 32(3), 229.

Chicago Style (17th ed.) Citation

BT, Williams, Yoder JW, and Littell E. "Probability Graphics Support for Medical Reasoning." Methods of Information in Medicine 32, no. 3 (1993): 229.

MLA (9th ed.) Citation

BT, Williams, et al. "Probability Graphics Support for Medical Reasoning." Methods of Information in Medicine, vol. 32, no. 3, 1993, p. 229.