Cita APA

Stefan-Gruenfeldt, P., & Paul, E. (1938). Arturo Toscanini. Blue Ribbon Books.

Citación estilo Chicago

Stefan-Gruenfeldt, Paul, and Eden Paul. Arturo Toscanini. New York: Blue Ribbon Books, 1938.

Cita MLA

Stefan-Gruenfeldt, Paul, and Eden Paul. Arturo Toscanini. Blue Ribbon Books, 1938.

Warning: These citations may not always be 100% accurate.