APA (7th ed.) Citation

Gordon, C. (1981). Tongue level exercises for trumpet (Trebel Clef ed.). C. Fischer.

Chicago Style (17th ed.) Citation

Gordon, Claude. Tongue Level Exercises for Trumpet. Trebel Clef ed. New York: C. Fischer, 1981.

MLA (9th ed.) Citation

Gordon, Claude. Tongue Level Exercises for Trumpet. Trebel Clef ed. C. Fischer, 1981.