Ben 1975.

MLA

Vandevelde, Juul. Ben 1975. [S.l.]: [s.n.], 1975.

APA

Vandevelde, J. (1975). Ben 1975. [S.l.]: [s.n.].

Chicago

Vandevelde, Juul Ben 1975.. [S.l.]: [s.n.], 1975.