Cite
[The Kardex as an aid in student guidance].
MLA
Skouboe, L., and L. S. Jensen. “[The Kardex as an Aid in Student Guidance].” Sygeplejersken, vol. 89, no. 4, Jan. 1989, pp. 30–31. 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=2741049&authtype=sso&custid=ns315887.
APA
Skouboe, L., & Jensen, L. S. (1989). [The Kardex as an aid in student guidance]. Sygeplejersken, 89(4), 30–31.
Chicago
Skouboe, L, and L S Jensen. 1989. “[The Kardex as an Aid in Student Guidance].” Sygeplejersken 89 (4): 30–31. 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=2741049&authtype=sso&custid=ns315887.