APA (7th ed.) Citation

Frick, C. C. (1930). Belgian market for phonographs and phonograph records. [publisher not identified].

Chicago Style (17th ed.) Citation

Frick, C. Clarence. Belgian Market for Phonographs and Phonograph Records. Washington, D.C.: [publisher not identified], 1930.

MLA (9th ed.) Citation

Frick, C. Clarence. Belgian Market for Phonographs and Phonograph Records. [publisher not identified], 1930.

Warning: These citations may not always be 100% accurate.