APA (7th ed.) Citation

CY, C., AR, O., & PM, B. (2008). A review of portfolio use in residency programs and considerations before implementation. Teaching & Learning in Medicine, 20(4), 340. https://doi.org/10.1080/10401330802384912

Chicago Style (17th ed.) Citation

CY, Colbert, Ownby AR, and Butler PM. "A Review of Portfolio Use in Residency Programs and Considerations Before Implementation." Teaching & Learning in Medicine 20, no. 4 (2008): 340. https://doi.org/10.1080/10401330802384912.

MLA (9th ed.) Citation

CY, Colbert, et al. "A Review of Portfolio Use in Residency Programs and Considerations Before Implementation." Teaching & Learning in Medicine, vol. 20, no. 4, 2008, p. 340, https://doi.org/10.1080/10401330802384912.