APA (7th ed.) Citation

Zuber, R. (1980). Who are you Monsieur Gurdjieff? Routledge & Kegan Paul.

Chicago Style (17th ed.) Citation

Zuber, René. Who Are You Monsieur Gurdjieff? London ; Boston: Routledge & Kegan Paul, 1980.

MLA (9th ed.) Citation

Zuber, René. Who Are You Monsieur Gurdjieff? Routledge & Kegan Paul, 1980.