Allers, R. (2013). Allers, Rudolf Collection. DigitalGeorgetown.
Chicago Style (17th ed.) CitationAllers, Rudolf. Allers, Rudolf Collection. Washington, D.C.: DigitalGeorgetown, 2013.
MLA引文Allers, Rudolf. Allers, Rudolf Collection. DigitalGeorgetown, 2013.
警告:这些引文格式不一定是100%准确.