APA (7th ed.) Citation

Liebert, R. M., & Wicks-Nelson, R. (1981). Developmental psychology (3d ed.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Liebert, Robert M., and Rita Wicks-Nelson. Developmental Psychology. 3d ed. Englewood Cliffs, N.J: Prentice-Hall, 1981.

MLA (9th ed.) Citation

Liebert, Robert M., and Rita Wicks-Nelson. Developmental Psychology. 3d ed. Prentice-Hall, 1981.