Cite
Pneumococcal Vaccines in Chronic Obstructive Pulmonary Disease.
MLA
Clark, Zachariah, and Douglas M. Maurer. “Pneumococcal Vaccines in Chronic Obstructive Pulmonary Disease.” American Family Physician, vol. 97, no. 7, Apr. 2018, pp. 463–64. 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=29671562&authtype=sso&custid=ns315887.
APA
Clark, Z., & Maurer, D. M. (2018). Pneumococcal Vaccines in Chronic Obstructive Pulmonary Disease. American Family Physician, 97(7), 463–464.
Chicago
Clark, Zachariah, and Douglas M Maurer. 2018. “Pneumococcal Vaccines in Chronic Obstructive Pulmonary Disease.” American Family Physician 97 (7): 463–64. 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=29671562&authtype=sso&custid=ns315887.