APA (7th ed.) Citation

Lang, P. H. (1971). The creative world of Beethoven. W.W. Norton.

Chicago Style (17th ed.) Citation

Lang, Paul Henry. The Creative World of Beethoven. New York: W.W. Norton, 1971.

MLA (9th ed.) Citation

Lang, Paul Henry. The Creative World of Beethoven. W.W. Norton, 1971.