APA-viite (7. p.)

Warren, H. C. (1930). Elements of human psychology (Rev. and enl. ed.). Houghton Mifflin Co.

Chicago-viite (17. p.)

Warren, Howard Crosby. Elements of Human Psychology. Rev. and enl. ed. Boston: Houghton Mifflin Co, 1930.

MLA-viite (9. p.)

Warren, Howard Crosby. Elements of Human Psychology. Rev. and enl. ed. Houghton Mifflin Co, 1930.