Cite
A brief tutorial on the estimation of the process standard deviation
MLA
Vardeman, Stephen B. “A Brief Tutorial on the Estimation of the Process Standard Deviation.” IIE Transactions, vol. 31, no. 6, June 1999, p. 503. 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=edsggo&AN=edsgcl.61202083&authtype=sso&custid=ns315887.
APA
Vardeman, S. B. (1999). A brief tutorial on the estimation of the process standard deviation. IIE Transactions, 31(6), 503.
Chicago
Vardeman, Stephen B. 1999. “A Brief Tutorial on the Estimation of the Process Standard Deviation.” IIE Transactions 31 (6): 503. 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=edsggo&AN=edsgcl.61202083&authtype=sso&custid=ns315887.