Cita APA (7th ed.)

Wolpert, L. (2002). Principles of development (2nd ed.). Oxford University Press.

Cita Chicago (17th ed.)

Wolpert, Lewis. Principles of Development. 2nd ed. Oxford, OX: Oxford University Press, 2002.

Cita MLA (9th ed.)

Wolpert, Lewis. Principles of Development. 2nd ed. Oxford University Press, 2002.