Jeffrey, J. R., & Nash, G. B. a. (1990). The American people: Creating a nation and a society (2nd.ed.). Harper & Row.
Citazione stile Chigago Style (17a edizione)Jeffrey, Julie Roy, e Gary B.[et al] Nash. The American People: Creating a Nation and a Society. 2nd.ed. Grand Rapids: Harper & Row, 1990.
Citatione MLA (9a ed.)Jeffrey, Julie Roy, e Gary B.[et al] Nash. The American People: Creating a Nation and a Society. 2nd.ed. Harper & Row, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.