APA (7th ed.) Citation

Polygoon-Profilti. (1941). EERST DENKEN... DAN SPREKEN. Polygoon-Profilti.

Chicago Style (17th ed.) Citation

Polygoon-Profilti. EERST DENKEN... DAN SPREKEN. Netherlands: Polygoon-Profilti, 1941.

MLA (9th ed.) Citation

Polygoon-Profilti. EERST DENKEN... DAN SPREKEN. Polygoon-Profilti, 1941.

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