Cite
Rates and outcome of pregnancies achieved in the first 4 years of an in-vitro fertilization program.
MLA
Yuzpe, Albert A., et al. “Rates and Outcome of Pregnancies Achieved in the First 4 Years of an In-Vitro Fertilization Program.” Canadian Medical Association Journal (CMAJ), vol. 140, no. 2, Jan. 1989, pp. 167–72. 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=edb&AN=35468436&authtype=sso&custid=ns315887.
APA
Yuzpe, A. A., Brown, S. E., Casper, R. F., Nisker, J. A., & Graves, G. (1989). Rates and outcome of pregnancies achieved in the first 4 years of an in-vitro fertilization program. Canadian Medical Association Journal (CMAJ), 140(2), 167–172.
Chicago
Yuzpe, Albert A., Stanley E. Brown, Robert F. Casper, Jeffrey A. Nisker, and Gillian Graves. 1989. “Rates and Outcome of Pregnancies Achieved in the First 4 Years of an In-Vitro Fertilization Program.” Canadian Medical Association Journal (CMAJ) 140 (2): 167–72. 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=edb&AN=35468436&authtype=sso&custid=ns315887.