Cita APA (7a ed.)

Crain, W. C. (1985). Theories of development: : concepts and applications (2nd ed.). Prentice-Hall International.

Cita Chicago Style (17a ed.)

Crain, William C. Theories of Development: : Concepts and Applications. 2nd ed. Englewood Cliffs, New Jersey: Prentice-Hall International, 1985.

Cita MLA (9a ed.)

Crain, William C. Theories of Development: : Concepts and Applications. 2nd ed. Prentice-Hall International, 1985.