Cita APA (7a ed.)

Vasta, R. (1992). Six theories of child development: Revised formulations and current issues. Jessica Kingsley.

Cita Chicago Style (17a ed.)

Vasta, Ross. Six Theories of Child Development: Revised Formulations and Current Issues. London [u.a.]: Jessica Kingsley, 1992.

Cita MLA (9a ed.)

Vasta, Ross. Six Theories of Child Development: Revised Formulations and Current Issues. Jessica Kingsley, 1992.