Cita APA (7a ed.)

Joplin, S., & Sauer, R. (1978). Four rags for four trombones. Wimbledon Music.

Cita Chicago Style (17a ed.)

Joplin, Scott, y Ralph Sauer. Four Rags for Four Trombones. Century City, Calif: Wimbledon Music, 1978.

Cita MLA (9a ed.)

Joplin, Scott, y Ralph Sauer. Four Rags for Four Trombones. Wimbledon Music, 1978.