Smoking and the risk of peptic ulcer disease among women in the United States.

MLA

Anda, R. F., et al. “Smoking and the Risk of Peptic Ulcer Disease among Women in the United States.” Archives of Internal Medicine, vol. 150, no. 7, July 1990, pp. 1437–41. 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=2369242&authtype=sso&custid=ns315887.

APA

Anda, R. F., Williamson, D. F., Escobedo, L. G., & Remington, P. L. (1990). Smoking and the risk of peptic ulcer disease among women in the United States. Archives of Internal Medicine, 150(7), 1437–1441.

Chicago

Anda, R F, D F Williamson, L G Escobedo, and P L Remington. 1990. “Smoking and the Risk of Peptic Ulcer Disease among Women in the United States.” Archives of Internal Medicine 150 (7): 1437–41. 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=2369242&authtype=sso&custid=ns315887.