Understanding the results of epidemiologic studies.

MLA

Block, G., and A. M. Hartman. “Understanding the Results of Epidemiologic Studies.” Seminars in Oncology, vol. 10, no. 3, Sept. 1983, pp. 257–63. 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=6665559&authtype=sso&custid=ns315887.

APA

Block, G., & Hartman, A. M. (1983). Understanding the results of epidemiologic studies. Seminars in Oncology, 10(3), 257–263.

Chicago

Block, G, and A M Hartman. 1983. “Understanding the Results of Epidemiologic Studies.” Seminars in Oncology 10 (3): 257–63. 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=6665559&authtype=sso&custid=ns315887.