Callahan, R. (1999). The liberty bell: From commodity to sacred object. Journal of Material Culture.
Style de citation Chicago (17e éd.)Callahan, Robey. "The Liberty Bell: From Commodity to Sacred Object." Journal of Material Culture 1999.
Style de citation MLA (9e éd.)Callahan, Robey. "The Liberty Bell: From Commodity to Sacred Object." Journal of Material Culture, 1999.
Attention : ces citations peuvent ne pas être correctes à 100%.