Pol Mara.
MLA
Boenders, Frans, and Marcel van Jole. Pol Mara. Beerse: Janssen Pharmaceutica, 1978.
APA
Boenders, F., & van Jole, M. (1978). Pol Mara. Beerse: Janssen Pharmaceutica.
Chicago
Boenders, Frans, and Marcel van Jole. Pol Mara. Beerse: Janssen Pharmaceutica, 1978.