APA (7th ed.) Citation

Busnel, R. G., & Classe, A. (1976). Whistled Languages. Springer Berlin Heidelberg.

Chicago Style (17th ed.) Citation

Busnel, René Guy, and André Classe. Whistled Languages. Berlin, Heidelberg: Springer Berlin Heidelberg, 1976.

MLA (9th ed.) Citation

Busnel, René Guy, and André Classe. Whistled Languages. Springer Berlin Heidelberg, 1976.