Cita APA (7th ed.)

Gruenberg, E. (1919). Violin teaching and violin study rules and hints for teachers and students. Carls Fischer.

Cita Chicago (17th ed.)

Gruenberg, Eugene. Violin Teaching and Violin Study Rules and Hints for Teachers and Students. New York: Carls Fischer, 1919.

Cita MLA (9th ed.)

Gruenberg, Eugene. Violin Teaching and Violin Study Rules and Hints for Teachers and Students. Carls Fischer, 1919.