APA-Zitierstil (7. Ausg.)

Crain, W. C. (1980). Theories of development: Concepts and applications (2. print.). Prentice-Hall.

Chicago-Zitierstil (17. Ausg.)

Crain, William C. Theories of Development: Concepts and Applications. 2. print. Englewood Cliffs, NJ: Prentice-Hall, 1980.

MLA-Zitierstil (9. Ausg.)

Crain, William C. Theories of Development: Concepts and Applications. 2. print. Prentice-Hall, 1980.