APA (7th ed.) Citation

Wilkinson, J. R. (1929). Market for portable phonographs and records in Finland. [publisher not identified].

Chicago Style (17th ed.) Citation

Wilkinson, James R. Market for Portable Phonographs and Records in Finland. Washington, D.C.: [publisher not identified], 1929.

MLA (9th ed.) Citation

Wilkinson, James R. Market for Portable Phonographs and Records in Finland. [publisher not identified], 1929.