Frey, E. R. (2019). Nachlass von Erwin R. Frey, 1906-1981.
Chicago Style (17th ed.) CitationFrey, Erwin R. Nachlass Von Erwin R. Frey, 1906-1981. 2019.
MLA (8th ed.) CitationFrey, Erwin R. Nachlass Von Erwin R. Frey, 1906-1981. 2019.
Warning: These citations may not always be 100% accurate.