In addition, Mac users running 10.9 and up Yosemite need to download Java to their computer to install Write in Cite.
d. Please make sure you have a current installation of Java on your computer by visiting the Java download site. (Note: an update of your Java will request the installation of a third-party toolbar for Ask.com. You will need to be aware that you need to decline the installation of this toolbar to avoid its installation.)Mac Users: Please make sure to verify Java is installed on your computer as the newest operating systems offered by Apple, OS X 10.9 and OS X 10.10, do not include Java. To check if your computer has the latest version of Java installed please open the Safari web browser and visit,http://java.com/en/download/installed.jsp. Note: If you are running OS X 10.9.5 or OS X 10.10 Yosemite, please download Java from Apple's support site directly by visiting, http://support.apple.com/kb/dl1572.
More information is available here: http://proquest.libguides.com/refworks/writenciteinstall
You can also call ProQuest RefWorks technical support at 1-800-521-0600 ext. 74440 or 1-734-997-4440 for more information.