(1938). "De toekomst" 50 jaar. Groningen.
Chicago Style (17th ed.) Citation"De Toekomst" 50 Jaar. Groningen, 1938.
MLA (8th ed.) Citation"De Toekomst" 50 Jaar. Groningen, 1938.
Warning: These citations may not always be 100% accurate.
APA (7th ed.) Citation