APA Citation
Smithsonian Folklife Festival Washington, D.C., & Smithsonian Institution. Center for Folklife and Cultural Heritage. (2006). 40th annual Smithsonian Folklife Festival, Washington, D.C., June 30-July 11, 2006. Smithsonian Institution Center for Folklife and Cultural Heritage. Retrieved from https://library.si.edu/digital-library/book/40thannualsmiths00smit
MLA Citation
Smithsonian Folklife Festival Washington, D.C., and Smithsonian Institution. Center for Folklife and Cultural Heritage. 40th annual Smithsonian Folklife Festival, Washington, D.C., June 30-July 11, 2006. Smithsonian Institution Center for Folklife and Cultural Heritage, 2006, https://library.si.edu/digital-library/book/40thannualsmiths00smit
Chicago
Smithsonian Folklife Festival Washington, D.C., and Smithsonian Institution. Center for Folklife and Cultural Heritage. 40th annual Smithsonian Folklife Festival, Washington, D.C., June 30-July 11, 2006. Smithsonian Institution Center for Folklife and Cultural Heritage, 2006. https://library.si.edu/digital-library/book/40thannualsmiths00smit
Warning: These citations may not always be complete (especially for serials).