APA (7th ed.) Citation

Agay, D. (1971). The Twentieth century: A repertory of piano works by major composers of our time. Yorktown Music Press.

Chicago Style (17th ed.) Citation

Agay, Denes. The Twentieth Century: A Repertory of Piano Works by Major Composers of Our Time. New York: Yorktown Music Press, 1971.

MLA (9th ed.) Citation

Agay, Denes. The Twentieth Century: A Repertory of Piano Works by Major Composers of Our Time. Yorktown Music Press, 1971.