APA (7th ed.) Citation

(1939). OPENING VAN DE SPOORWEGTENTOONSTELLING. Polygoon-Profilti.

Chicago Style (17th ed.) Citation

OPENING VAN DE SPOORWEGTENTOONSTELLING. Netherlands: Polygoon-Profilti, 1939.

MLA (9th ed.) Citation

OPENING VAN DE SPOORWEGTENTOONSTELLING. Polygoon-Profilti, 1939.