Cite
Banach spaces that have normal structure and are isomorphic to a Hilbert space
MLA
Bernal, Javier, and Francis Sullivan. “Banach Spaces That Have Normal Structure and Are Isomorphic to a Hilbert Space.” Proceedings of the American Mathematical Society, vol. 90, no. 4, Jan. 1984, pp. 550–54. 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=edo&AN=ejs21902099&authtype=sso&custid=ns315887.
APA
Bernal, J., & Sullivan, F. (1984). Banach spaces that have normal structure and are isomorphic to a Hilbert space. Proceedings of the American Mathematical Society, 90(4), 550–554.
Chicago
Bernal, Javier, and Francis Sullivan. 1984. “Banach Spaces That Have Normal Structure and Are Isomorphic to a Hilbert Space.” Proceedings of the American Mathematical Society 90 (4): 550–54. 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=edo&AN=ejs21902099&authtype=sso&custid=ns315887.