Cita APA (7th ed.)

Purcell, H., & Keil, K. (1991). A trio of catches: 3- part, SAB and piano. Thomas House Pub.

Cita Chicago (17th ed.)

Purcell, Henry, i Kevin Keil. A Trio of Catches: 3- Part, SAB and Piano. [S.l.]: Thomas House Pub, 1991.

Cita MLA (9th ed.)

Purcell, Henry, i Kevin Keil. A Trio of Catches: 3- Part, SAB and Piano. Thomas House Pub, 1991.