APA
Shaffer D. R., . (1979). Social and personality development. [Place of publication not identified]: Cole Publishing.
Chicago
Shaffer David R, . 1979. Social and personality development. [Place of publication not identified]: Cole Publishing.
Harvard
Shaffer D. R., . (1979). Social and personality development. [Place of publication not identified]: Cole Publishing.
MLA
Shaffer David R, . Social and personality development. [Place of publication not identified]: Cole Publishing. 1979.