APA (7th ed.) Citation

Weber, C. M. v., Schwarzkopf, E., & Ludwig, L. (1963). Abu Hassan: [comic opera in one act] / Weber. Saga.

Chicago Style (17th ed.) Citation

Weber, Carl Maria von, Elisabeth Schwarzkopf, and Leopold Ludwig. Abu Hassan: [comic Opera in One Act] / Weber. London: Saga, 1963.

MLA (8th ed.) Citation

Weber, Carl Maria von, et al. Abu Hassan: [comic Opera in One Act] / Weber. Saga, 1963.