Cita APA

Wagner, R. 1., & Wagner, R. 1. (1970). Schwüles gedünst =: The forging of the raimbow bridge, the entry into Valhalla. London.

Citación estilo Chicago

Wagner, Richard 1813-1883, y Richard 1813-1883 Wagner. Schwüles Gedünst =: The Forging of the Raimbow Bridge, the Entry Into Valhalla. London, 1970.

Cita MLA

Wagner, Richard 1813-1883, y Richard 1813-1883 Wagner. Schwüles Gedünst =: The Forging of the Raimbow Bridge, the Entry Into Valhalla. London, 1970.