APA (7th ed.) Citation

Ribbert, H. (1917). Die Konstitution der Menschheit. Thieme.

Chicago Style (17th ed.) Citation

Ribbert, Hugo. Die Konstitution Der Menschheit. Leipzig: Thieme, 1917.

MLA (8th ed.) Citation

Ribbert, Hugo. Die Konstitution Der Menschheit. Thieme, 1917.

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