AP Style is the official style source for the UT Health San Antonio, unless noted as an exception in this guide. Webster’s New World College Dictionary, Fourth Edition, is the official dictionary source. Chicago Style is an acceptable alternative for academic points of style not found in AP Style or in the dictionary. Consult the online version of that dictionary or the most recent print edition. The first spelling of a word listed by Webster’s New World College Dictionary, Fourth Edition, is the spelling that should be used and should supersede other spelling options unless noted in this guide.