APA-viite (7. p.)

Peale, N. V. (1961). The tough-minded optimist. Fawcett World Library.

Chicago-viite (17. p.)

Peale, Norman Vincent. The Tough-minded Optimist. New York: Fawcett World Library, 1961.

MLA-viite (9. p.)

Peale, Norman Vincent. The Tough-minded Optimist. Fawcett World Library, 1961.