Hofstadter, A. (1970). Agony and epitaph: Man, his art, and his poetry. G. Braziller.
Chicago-referens (17:e uppl.)Hofstadter, Albert. Agony and Epitaph: Man, His Art, and His Poetry. New York: G. Braziller, 1970.
MLA-referens (9:e uppl.)Hofstadter, Albert. Agony and Epitaph: Man, His Art, and His Poetry. G. Braziller, 1970.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.