APA (7th ed.) Citation

Armstrong, A. C. Archivmaterialien zu Andrew Campbell Armstrong, 1860-.

Chicago Style (17th ed.) Citation

Armstrong, Andrew Campbell. Archivmaterialien Zu Andrew Campbell Armstrong, 1860-.

MLA (9th ed.) Citation

Armstrong, Andrew Campbell. Archivmaterialien Zu Andrew Campbell Armstrong, 1860-.

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