Citazione Stile APA (7a Edizione)

Liebert, R. M., Kail, R. V., & Wicks-Nelson, R. (1977). Developmental psychology (2nd ed.). Prentice-Hall.

Citazione stile Chigago Style (17a edizione)

Liebert, Robert M., Robert V. Kail, e Rita Wicks-Nelson. Developmental Psychology. 2nd ed. Englewood Cliffs, N.J: Prentice-Hall, 1977.

Citatione MLA (9a ed.)

Liebert, Robert M., et al. Developmental Psychology. 2nd ed. Prentice-Hall, 1977.