APA (7th ed.) Citation

Tracy, F. (1896). The psychology of childhood (3rd ed.). D.C. Heath.

Chicago Style (17th ed.) Citation

Tracy, Frederick. The Psychology of Childhood. 3rd ed. Boston: D.C. Heath, 1896.

MLA (9th ed.) Citation

Tracy, Frederick. The Psychology of Childhood. 3rd ed. D.C. Heath, 1896.