APA (7th ed.) Citation

Frey, E. R. Nachlass von Erwin R. Frey, 1906-1981.

Chicago Style (17th ed.) Citation

Frey, Erwin R. Nachlass Von Erwin R. Frey, 1906-1981.

MLA (9th ed.) Citation

Frey, Erwin R. Nachlass Von Erwin R. Frey, 1906-1981.

Warning: These citations may not always be 100% accurate.