National Endowment for the Humanities. (1980). Humanities. National Endowment for the Humanities.
Citazione stile Chigago Style (17a edizione)National Endowment for the Humanities. Humanities. [Washington, D.C.]: National Endowment for the Humanities, 1980.
Citatione MLA (9a ed.)National Endowment for the Humanities. Humanities. National Endowment for the Humanities, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.