APA (7th ed.) Citation

Aalberts, R. J. (1937). Koopmans-eer. Antwerpen: Persdienst Interna.

Chicago Style (17th ed.) Citation

Aalberts, R. Johan. Koopmans-eer. Antwerpen: Persdienst Interna, 1937.

MLA (8th ed.) Citation

Aalberts, R. Johan. Koopmans-eer. Antwerpen: Persdienst Interna, 1937.

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