Dodson , E. 0., & Dodson , p. (1976). Evolution, process and product (2nd ed.). D. Van Nostrand.
Cita Chicago (17th ed.)Dodson , Edward 0., i peter Dodson. Evolution, Process and Product. 2nd ed. New York: D. Van Nostrand, 1976.
Cita MLA (9th ed.)Dodson , Edward 0., i peter Dodson. Evolution, Process and Product. 2nd ed. D. Van Nostrand, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.