APA (7th ed.) Citation

Donizetti, G., Liebling, E., & Wager, W. (1944). O mio Fernando = O my Fernando: From the opera "La Favorita". G. Schirmer.

Chicago Style (17th ed.) Citation

Donizetti, Gaetano, Estelle Liebling, and Willis Wager. O Mio Fernando = O My Fernando: From the Opera "La Favorita". New York: G. Schirmer, 1944.

MLA (9th ed.) Citation

Donizetti, Gaetano, et al. O Mio Fernando = O My Fernando: From the Opera "La Favorita". G. Schirmer, 1944.