APA-referens (7:e uppl.)

Kent, R. (1940). Portinari: His life and art (1a. ed.). The University of Chicago Press.

Chicago-referens (17:e uppl.)

Kent, Rockwell. Portinari: His Life and Art. 1a. ed. Chicago: The University of Chicago Press, 1940.

MLA-referens (9:e uppl.)

Kent, Rockwell. Portinari: His Life and Art. 1a. ed. The University of Chicago Press, 1940.