Comparative research

MLA

Harkness, J. A., et al. Comparative Research. Jan. 2003. 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=edsair&AN=edsair.narcis........c68f3b8225ddd7b96c0cf3c03cbfdc14&authtype=sso&custid=ns315887.

APA

Harkness, J. A., van de Vijver, F. J. R., & Mohler, P. P. (2003). Comparative research.

Chicago

Harkness, J.A., F.J.R. van de Vijver, and P.Ph. Mohler. 2003. “Comparative Research,” January. 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=edsair&AN=edsair.narcis........c68f3b8225ddd7b96c0cf3c03cbfdc14&authtype=sso&custid=ns315887.