Twilight of the Gods = Götterdämmerung

MLA

Wagner, Richard and Andrew Porter. Twilight of the Gods = Götterdämmerung. London : Calder ; New York : Riverrun Press, 1985.

APA

Wagner, R. & Porter, A. (1985). Twilight of the Gods = Götterdämmerung. London : Calder ; New York : Riverrun Press.

Chicago

Wagner, Richard and Andrew Porter. Twilight of the Gods = Götterdämmerung. London : Calder ; New York : Riverrun Press, 1985.