Shotton, D. (2011). CiTO: A Citation Typing Ontology. University of Oxford.
芝加哥风格引文Shotton, D. CiTO: A Citation Typing Ontology. University of Oxford, 2011.
MLA引文Shotton, D. CiTO: A Citation Typing Ontology. University of Oxford, 2011.
警告：这些引文格式不一定是100％准确.