Citazione Stile APA (7a Edizione)

Crain, W. C. (1985). Theories of development: Concepts and applications (2a. ed.). Prentice Hall International.

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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