Παραπομπή σε μορφή APA (7η εκδ.)

United States. National Park Service, Smithsonian Institution, & Festival of American Folklife. (1991). Festival of American Folklife, June 28-July 1 and July 4-July 7. Smithsonian Institution.

Παραπομπή σε μορφή Chicago (17η εκδ.)

United States. National Park Service, Smithsonian Institution, και Festival of American Folklife. Festival of American Folklife, June 28-July 1 and July 4-July 7. [Washington, D.C.]: Smithsonian Institution, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

United States. National Park Service, et al. Festival of American Folklife, June 28-July 1 and July 4-July 7. Smithsonian Institution, 1991.