Cita APA (7a ed.)

Shaffer, D. R. (1988). Social and personality development (2. ed.). Brooks Cole Publ. Co.

Cita Chicago Style (17a ed.)

Shaffer, David R. Social and Personality Development. 2. ed. Pacific Grove, Calif: Brooks Cole Publ. Co, 1988.

Cita MLA (8a ed.)

Shaffer, David R. Social and Personality Development. 2. ed. Brooks Cole Publ. Co, 1988.