Cite
Clinical practice guidelines for the care and treatment of breast cancer: breast radiotherapy after breast-conserving surgery (summary of the 2003 update).
MLA
Whelan, Timothy, et al. “Clinical Practice Guidelines for the Care and Treatment of Breast Cancer: Breast Radiotherapy after Breast-Conserving Surgery (Summary of the 2003 Update).” CMAJ : Canadian Medical Association Journal = Journal de l’Association Medicale Canadienne, vol. 168, no. 4, Feb. 2003, pp. 437–39. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=cmedm&AN=12591786&authtype=sso&custid=ns315887.
APA
Whelan, T., Olivotto, I., & Levine, M. (2003). Clinical practice guidelines for the care and treatment of breast cancer: breast radiotherapy after breast-conserving surgery (summary of the 2003 update). CMAJ : Canadian Medical Association Journal = Journal de l’Association Medicale Canadienne, 168(4), 437–439.
Chicago
Whelan, Timothy, Ivo Olivotto, and Mark Levine. 2003. “Clinical Practice Guidelines for the Care and Treatment of Breast Cancer: Breast Radiotherapy after Breast-Conserving Surgery (Summary of the 2003 Update).” CMAJ : Canadian Medical Association Journal = Journal de l’Association Medicale Canadienne 168 (4): 437–39. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=cmedm&AN=12591786&authtype=sso&custid=ns315887.