Munn, N. L., Fernald, L. D., & Fernald, P. S. (1969). Introduction to Psychology (2nd ed.). Houghton Mifflin.
Cita Chicago (17th ed.)Munn, Norman L., L. Dodge Fernald, i Peter S. Fernald. Introduction to Psychology. 2nd ed. Boston: Houghton Mifflin, 1969.
Cita MLA (9th ed.)Munn, Norman L., et al. Introduction to Psychology. 2nd ed. Houghton Mifflin, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.