APA (7th ed.) Citation

De Kadt, J., Nunes Vaz, J., & Schmidt, P. (1931). De socialist: Links socialistisch weekblad. Amsterdam.

Chicago Style (17th ed.) Citation

De Kadt, J., J. Nunes Vaz, and P.J Schmidt. De Socialist: Links Socialistisch Weekblad. Amsterdam, 1931.

MLA (8th ed.) Citation

De Kadt, J., et al. De Socialist: Links Socialistisch Weekblad. Amsterdam, 1931.