APA (7th ed.) Citation

De Gruyter, J. (1920). Hoe redden wij Europa? Amsterdam: Elsevier.

Chicago Style (17th ed.) Citation

De Gruyter, J. Hoe Redden Wij Europa? Amsterdam: Elsevier, 1920.

MLA (8th ed.) Citation

De Gruyter, J. Hoe Redden Wij Europa? Amsterdam: Elsevier, 1920.

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