APA (7th ed.) Citation

McKey, J. R. (1929). Porto Rican market for small, stringed musical instruments. [publisher not identified].

Chicago Style (17th ed.) Citation

McKey, Joseph Roderick. Porto Rican Market for Small, Stringed Musical Instruments. Washington, D.C.: [publisher not identified], 1929.

MLA (9th ed.) Citation

McKey, Joseph Roderick. Porto Rican Market for Small, Stringed Musical Instruments. [publisher not identified], 1929.