Herbst, T., & Popp, K. (1999). The perfect learners' dictionary (?): [Papers delivered at the eponymous symposium held at the University of Erlangen-Nürnberg in April 1997]. Lexicographica.
Chicago Style (17th ed.) CitationHerbst, Thomas, and Kerstin Popp. "The Perfect Learners' Dictionary (?): [Papers Delivered at the Eponymous Symposium Held at the University of Erlangen-Nürnberg in April 1997]." Lexicographica 1999.
MLA (9th ed.) CitationHerbst, Thomas, and Kerstin Popp. "The Perfect Learners' Dictionary (?): [Papers Delivered at the Eponymous Symposium Held at the University of Erlangen-Nürnberg in April 1997]." Lexicographica, 1999.
Warning: These citations may not always be 100% accurate.