APA (7th ed.) Citation

(1970). De arbeidersstrijd in Europa. Ral [etc].

Chicago Style (17th ed.) Citation

De Arbeidersstrijd in Europa. Ral [etc], 1970.

MLA (8th ed.) Citation

De Arbeidersstrijd in Europa. Ral [etc], 1970.

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