APA (7th ed.) Citation

Sigurdson, R. F. (2019). Archivmaterialien zu Richard Franklin Sigurdson.

Chicago Style (17th ed.) Citation

Sigurdson, Richard Franklin. Archivmaterialien Zu Richard Franklin Sigurdson. 2019.

MLA (9th ed.) Citation

Sigurdson, Richard Franklin. Archivmaterialien Zu Richard Franklin Sigurdson. 2019.

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