APA (7th ed.) Citation

Einstein, A. (1975). Music in the romanitc era. W. W. Norton.

Chicago Style (17th ed.) Citation

Einstein, Alfred. Music in the Romanitc Era. Nueva York: W. W. Norton, 1975.

MLA (9th ed.) Citation

Einstein, Alfred. Music in the Romanitc Era. W. W. Norton, 1975.