APA-referens (7:e uppl.)

Schwartz, S. (1972). Extraordinary. Alfred Publishing Co., Inc..

Chicago-referens (17:e uppl.)

Schwartz, Stephen. Extraordinary. Louisville, United States: Alfred Publishing Co., Inc., 1972.

MLA-referens (9:e uppl.)

Schwartz, Stephen. Extraordinary. Alfred Publishing Co., Inc., 1972.