APA (7th ed.) Citation

Ginger Group (Firm), Palm Pictures, Library of Congress, Smithsonian Institution, Rock and Roll Hall of Fame and Museum, Country Music Hall of Fame & Museum (Nashville, Tenn.), . . . Kristofferson, K. (2001). American roots music.

Chicago Style (17th ed.) Citation

Ginger Group (Firm), et al. American Roots Music. 2001.

MLA (9th ed.) Citation

Ginger Group (Firm), et al. American Roots Music. 2001.

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