APA (7th ed.) Citation

Pasatieri, T., & Unamuno, M. d. (1972). Black widow: Opera in 3 acts, based on the novel, Dos madres, by Miguel de Unamuno. Belwin-Mills Publishing Corp..

Chicago Style (17th ed.) Citation

Pasatieri, Thomas, and Miguel de Unamuno. Black Widow: Opera in 3 Acts, Based on the Novel, Dos Madres, by Miguel De Unamuno. [New York City]: Belwin-Mills Publishing Corp., 1972.

MLA (9th ed.) Citation

Pasatieri, Thomas, and Miguel de Unamuno. Black Widow: Opera in 3 Acts, Based on the Novel, Dos Madres, by Miguel De Unamuno. Belwin-Mills Publishing Corp., 1972.