APA (7th ed.) Citation

Gaffery, E. (1929). Costa Rican market for phonographs, records and supplies. [publisher not identified].

Chicago Style (17th ed.) Citation

Gaffery, Edward. Costa Rican Market for Phonographs, Records and Supplies. Washington, D.C.: [publisher not identified], 1929.

MLA (9th ed.) Citation

Gaffery, Edward. Costa Rican Market for Phonographs, Records and Supplies. [publisher not identified], 1929.