APA-referens (7:e uppl.)

Carlson, S. (1952). The virtue of humility. W.C. Brown Co..

Chicago-referens (17:e uppl.)

Carlson, Sebastian. The Virtue of Humility. Dubuque: W.C. Brown Co., 1952.

MLA-referens (8:e uppl.)

Carlson, Sebastian. The Virtue of Humility. W.C. Brown Co., 1952.