Curti, M. E. (1964). The growth of American thought (3rd ed.). Harper & Row.
Lua i Stíl Chicago (17ú heag.)Curti, Merle Eugene. The Growth of American Thought. 3rd ed. New York: Harper & Row, 1964.
Lua MLA (9ú heag.)Curti, Merle Eugene. The Growth of American Thought. 3rd ed. Harper & Row, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.