APA (7th ed.) Citation

Lecocq, C., Vanloo, A., Leterrier, E., & Clarke, C. Giroflé-girofla: Opera bouffe in 3 acts. Enoch.

Chicago Style (17th ed.) Citation

Lecocq, Charles, Albert Vanloo, Eugène Leterrier, and Campbell Clarke. Giroflé-girofla: Opera Bouffe in 3 Acts. London: Enoch.

MLA (8th ed.) Citation

Lecocq, Charles, et al. Giroflé-girofla: Opera Bouffe in 3 Acts. Enoch.