Cita APA (7a ed.)

Gower, W. (1951). Eb or BBb Bass (Tuba). Rubank.

Cita Chicago Style (17a ed.)

Gower, William. Eb or BBb Bass (Tuba). Miami, Fl.: Rubank, 1951.

Cita MLA (8a ed.)

Gower, William. Eb or BBb Bass (Tuba). Rubank, 1951.