Cita APA (7th ed.)

Long, N. H. (1934). Elementary method: Trombone or baritone. Rubank, Inc.

Cita Chicago (17th ed.)

Long, Newell H. Elementary Method: Trombone or Baritone. Chicago, IL: Rubank, Inc, 1934.

Cita MLA (9th ed.)

Long, Newell H. Elementary Method: Trombone or Baritone. Rubank, Inc, 1934.