APA (7th ed.) Citation

Blesh, R., & Janis, H. (1971). They all played ragtime (4th ed.). Oak Publications.

Chicago Style (17th ed.) Citation

Blesh, Rudi, and Harriet Janis. They All Played Ragtime. 4th ed. New York: Oak Publications, 1971.

MLA (8th ed.) Citation

Blesh, Rudi, and Harriet Janis. They All Played Ragtime. 4th ed. Oak Publications, 1971.