APA (7th ed.) Citation

Chagrin, F. (1968). Six duets: For equal (or mixed) instruments or keyboard instruments (Special order edition.). Novello & Company.

Chicago Style (17th ed.) Citation

Chagrin, Francis. Six Duets: For Equal (or Mixed) Instruments or Keyboard Instruments. Special order edition. [London, England]: Novello & Company, 1968.

MLA (9th ed.) Citation

Chagrin, Francis. Six Duets: For Equal (or Mixed) Instruments or Keyboard Instruments. Special order edition. Novello & Company, 1968.