[digital vocal score] The Medium : tragedy in two acts

MLA

Menotti, Gian Carlo. [digital Vocal Score] The Medium : Tragedy In Two Acts. New York: Schirmer, 1967.

APA

Menotti, G. Carlo. (1967). [digital vocal score] The Medium : tragedy in two acts. New York: Schirmer.

Chicago

Menotti, Gian Carlo, [digital Vocal Score] The Medium: Tragedy In Two Acts. New York: Schirmer, 1967.