APA-referens (7:e uppl.)

Stone, C. P. (1951). Comparative psychology (3rd ed.). Prentice-Hall.

Chicago-referens (17:e uppl.)

Stone, Calvin Perry. Comparative Psychology. 3rd ed. New Jersey: Prentice-Hall, 1951.

MLA-referens (9:e uppl.)

Stone, Calvin Perry. Comparative Psychology. 3rd ed. Prentice-Hall, 1951.