Cita APA (7th ed.)

Crain, W. C. (1992). Theories of development: Concepts and applications (3rd edition.). Prentice-Hall.

Cita Chicago (17th ed.)

Crain, William C. Theories of Development: Concepts and Applications. 3rd edition. Englewood Cliffs, New Jersey: Prentice-Hall, 1992.

Cita MLA (9th ed.)

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