Kallen, H. M. (1958). Utopians at bay: By Horace M. Kallen. Theodor Herzl Foundation.
Citazione stile Chigago Style (17a edizione)Kallen, Horace Meyer. Utopians at Bay: By Horace M. Kallen. New York: Theodor Herzl Foundation, 1958.
Citatione MLA (8a ed.)Kallen, Horace Meyer. Utopians at Bay: By Horace M. Kallen. Theodor Herzl Foundation, 1958.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.