APA (7th ed.) Citation

Vermeylen, P., & Dubois, A. (1970). L'Ecole unique. [S.l.]: PSB.

Chicago Style (17th ed.) Citation

Vermeylen, P., and Abel Dubois. L'Ecole Unique. [S.l.]: PSB, 1970.

MLA (8th ed.) Citation

Vermeylen, P., and Abel Dubois. L'Ecole Unique. [S.l.]: PSB, 1970.

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