Cite
Purification of anti-pernicious anaemia factor.
MLA
Smith, E. L., and L. F. J. Parker. “Purification of Anti-Pernicious Anaemia Factor.” The Biochemical Journal, vol. 43, no. 1, 1948, p. viii. 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=18889893&authtype=sso&custid=ns315887.
APA
Smith, E. L., & Parker, L. F. J. (1948). Purification of anti-pernicious anaemia factor. The Biochemical Journal, 43(1), viii.
Chicago
Smith, E L, and L F J Parker. 1948. “Purification of Anti-Pernicious Anaemia Factor.” The Biochemical Journal 43 (1): viii. 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=18889893&authtype=sso&custid=ns315887.