APA (7th ed.) Citation

Steptoe, R., Gourlay, J., & Sutherland, G. Tuba concerto (1983).

Chicago Style (17th ed.) Citation

Steptoe, Roger, James Gourlay, and Gavin Sutherland. Tuba Concerto (1983).

MLA (9th ed.) Citation

Steptoe, Roger, et al. Tuba Concerto (1983).