APA-viite (7. p.)
Guthrie, R. V. (1971). Psychology in the world today: An interdisciplinary approach (2nd ed.). Addison-Wesley publishing company.
Chicago-viite (17. p.)
Guthrie, Robert V. Psychology in the World Today: An Interdisciplinary Approach. 2nd ed. Carlifornia: Addison-Wesley publishing company, 1971.
MLA-viite (9. p.)
Guthrie, Robert V. Psychology in the World Today: An Interdisciplinary Approach. 2nd ed. Addison-Wesley publishing company, 1971.
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