APA (7th ed.) Citation

Tyrell, H. W. (1927). 40 progressive studies for trombone (in the bass clef). Boosey & Hawkes.

Chicago Style (17th ed.) Citation

Tyrell, H. W. 40 Progressive Studies for Trombone (in the Bass Clef). New York: Boosey & Hawkes, 1927.

MLA (9th ed.) Citation

Tyrell, H. W. 40 Progressive Studies for Trombone (in the Bass Clef). Boosey & Hawkes, 1927.