Cita APA (7th ed.)

Skornicka, J. E., & Boltz, E. G. (1938). Rubank intermediate method: Trombone or baritone a follow-up course for individual or like-instrument class instruction. Rubank.

Cita Chicago (17th ed.)

Skornicka, Joseph E., i E. G. Boltz. Rubank Intermediate Method: Trombone or Baritone a Follow-up Course for Individual or Like-instrument Class Instruction. Chicago: Rubank, 1938.

Cita MLA (9th ed.)

Skornicka, Joseph E., i E. G. Boltz. Rubank Intermediate Method: Trombone or Baritone a Follow-up Course for Individual or Like-instrument Class Instruction. Rubank, 1938.