The U.S. Patent Hierarchy.

MLA

Borner, Katy, et al. The U.S. Patent Hierarchy. Jan. 2006. 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=edsluc&AN=edsluc.RUMSEY.8.1.289088.90061060&authtype=sso&custid=ns315887.

APA

Borner, K., Borner, K., & Paley, W. B. (2006). The U.S. Patent Hierarchy.

Chicago

Borner, Katy, Kathy Borner, and W. Bradford Paley. 2006. “The U.S. Patent Hierarchy,” 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=edsluc&AN=edsluc.RUMSEY.8.1.289088.90061060&authtype=sso&custid=ns315887.