MLA

Blancquaert, Edgard, and Willem Pée. Proceedings of the Third International Congress of Phonetic Sciences. Ghent: Laboratory of phonetics of the University, 1939.

APA

Blancquaert, E., & Pée, W. (1939). Proceedings of the third international congress of phonetic sciences. Ghent: Laboratory of phonetics of the University.

Chicago

Blancquaert, Edgard, ed., and Willem Pée ed. Proceedings of the Third International Congress of Phonetic Sciences. Ghent: Laboratory of phonetics of the University, 1939.