APA (7th ed.) Citation

Schaum, J. W. (1967). Chord speller: For piano or organ. Schaum.

Chicago Style (17th ed.) Citation

Schaum, John Walter. Chord Speller: For Piano or Organ. Mequon, WI: Schaum, 1967.

MLA (9th ed.) Citation

Schaum, John Walter. Chord Speller: For Piano or Organ. Schaum, 1967.