APA (7th ed.) Citation

Walker, A. (1973). The Chopin companion: Profiles of the man and the musician. Norton.

Chicago Style (17th ed.) Citation

Walker, Alan. The Chopin Companion: Profiles of the Man and the Musician. New York: Norton, 1973.

MLA (9th ed.) Citation

Walker, Alan. The Chopin Companion: Profiles of the Man and the Musician. Norton, 1973.

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