APA (7th ed.) Citation

Poulet, G., Kopp, R., Allen, R., & Emmons, J. (1969). Who was Baudelaire?: A critical essay. Skira.

Chicago Style (17th ed.) Citation

Poulet, Georges, Robert Kopp, Robert Allen, and James Emmons. Who Was Baudelaire?: A Critical Essay. Geneva: Skira, 1969.

MLA (9th ed.) Citation

Poulet, Georges, et al. Who Was Baudelaire?: A Critical Essay. Skira, 1969.