APA (7th ed.) Citation

Spencer, H. Archivmaterialien zu Herbert Spencer, 1820-1903.

Chicago Style (17th ed.) Citation

Spencer, Herbert. Archivmaterialien Zu Herbert Spencer, 1820-1903.

MLA (9th ed.) Citation

Spencer, Herbert. Archivmaterialien Zu Herbert Spencer, 1820-1903.

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