APA (7th ed.) Citation

Gray, D. (1927). Scales and arpeggios: For piano. Boosey and Hawkes.

Chicago Style (17th ed.) Citation

Gray, Donald. Scales and Arpeggios: For Piano. Londres: Boosey and Hawkes, 1927.

MLA (9th ed.) Citation

Gray, Donald. Scales and Arpeggios: For Piano. Boosey and Hawkes, 1927.