Cita APA (7a ed.)

Crain, W. (1992). Theories of development: : concepts and applications (3rd. ed.). Prentice Hall.

Cita Chicago Style (17a ed.)

Crain, William. Theories of Development: : Concepts and Applications. 3rd. ed. Englewood Cliffs: Prentice Hall, 1992.

Cita MLA (9a ed.)

Crain, William. Theories of Development: : Concepts and Applications. 3rd. ed. Prentice Hall, 1992.