Thomson, V., Stein, G., & Leppard, R. (1977). The mother of us all: An opera. New World Records.
Cita Chicago Style (17a ed.)Thomson, Virgil, Gertrude Stein, y Raymond Leppard. The Mother of Us All: An Opera. New York: New World Records, 1977.
Cita MLA (9a ed.)Thomson, Virgil, et al. The Mother of Us All: An Opera. New World Records, 1977.
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