APA (7th ed.) Citation

Sommer, R. Nachlass von Robert Sommer, 1864-1937.

Chicago Style (17th ed.) Citation

Sommer, Robert. Nachlass Von Robert Sommer, 1864-1937.

MLA (9th ed.) Citation

Sommer, Robert. Nachlass Von Robert Sommer, 1864-1937.

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