APA (7th ed.) Citation

Leveque, E. (1947). Dertig jaar later: 1917-1947. [S.l.]: [NFW].

Chicago Style (17th ed.) Citation

Leveque, E.P. Dertig Jaar Later: 1917-1947. [S.l.]: [NFW], 1947.

MLA (8th ed.) Citation

Leveque, E.P. Dertig Jaar Later: 1917-1947. [S.l.]: [NFW], 1947.

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