Where to prick the apple for skin testing?

MLA

Berber Vlieg-Boerstra, et al. Where to Prick the Apple for Skin Testing? Jan. 2013. 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.doi.dedup.....abb0bc7052047ae757665b2f524ac810&authtype=sso&custid=ns315887.

APA

Berber Vlieg-Boerstra, S. van der Heide, W.E. van de Weg, & Anthony E.J. Dubois. (2013). Where to prick the apple for skin testing?

Chicago

Berber Vlieg-Boerstra, S. van der Heide, W.E. van de Weg, and Anthony E.J. Dubois. 2013. “Where to Prick the Apple for Skin Testing?,” 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.doi.dedup.....abb0bc7052047ae757665b2f524ac810&authtype=sso&custid=ns315887.