Quasi-experimental study designs series—paper 1: introduction: two historical lineages

MLA

Ian Shemilt, et al. “Quasi-Experimental Study Designs Series—paper 1: Introduction: Two Historical Lineages.” Journal of Clinical Epidemiology, vol. 89, Sept. 2017, pp. 4–11. 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=edsair&AN=edsair.doi...........99bcfdf1add583d21255c1efab29e033&authtype=sso&custid=ns315887.

APA

Ian Shemilt, Peter Tugwell, John-Arne Røttingen, Till Bärnighausen, & Peter C. Rockers. (2017). Quasi-experimental study designs series—paper 1: introduction: two historical lineages. Journal of Clinical Epidemiology, 89, 4–11.

Chicago

Ian Shemilt, Peter Tugwell, John-Arne Røttingen, Till Bärnighausen, and Peter C. Rockers. 2017. “Quasi-Experimental Study Designs Series—paper 1: Introduction: Two Historical Lineages.” Journal of Clinical Epidemiology 89 (September): 4–11. 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=edsair&AN=edsair.doi...........99bcfdf1add583d21255c1efab29e033&authtype=sso&custid=ns315887.