APA (7th ed.) Citation

Brahms, J., & Hughes, E. (1926). Variations on a theme by Haydn: For two pianos. G. Schirmer.

Chicago Style (17th ed.) Citation

Brahms, Johannes, and Edwin Hughes. Variations on a Theme by Haydn: For Two Pianos. New York: G. Schirmer, 1926.

MLA (9th ed.) Citation

Brahms, Johannes, and Edwin Hughes. Variations on a Theme by Haydn: For Two Pianos. G. Schirmer, 1926.