APA (7th ed.) Citation

Johnson, D., & Johnson, B. R. (2001). Bluegrass. Smithsonian Folkways.

Chicago Style (17th ed.) Citation

Johnson, David, and Billie Ray Johnson. Bluegrass. [Washington, DC]: Smithsonian Folkways, 2001.

MLA (9th ed.) Citation

Johnson, David, and Billie Ray Johnson. Bluegrass. Smithsonian Folkways, 2001.