Blackell, E. A. "What the devil?!" - twentieth-century Faust: Eric A. Blackell. Faust through four centuries : retrospect and analysis=Vierhundert Jahre Faust : Rückblick und Analyse.(1989).
Citação do estilo Chicago (17ª ed.)Blackell, Eric A. ""What the Devil?!" - Twentieth-century Faust: Eric A. Blackell." Faust Through Four Centuries : Retrospect and Analysis=Vierhundert Jahre Faust : Rückblick Und Analyse.(1989) .
Citação MLA (8ª ed.)Blackell, Eric A. ""What the Devil?!" - Twentieth-century Faust: Eric A. Blackell." Faust Through Four Centuries : Retrospect and Analysis=Vierhundert Jahre Faust : Rückblick Und Analyse.(1989), .
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.