Cita APA (7th ed.)

Wolpert, L., Tickle, C., Arias, A. M., & Lawrence, P. (2015). Principles of development (Fifth edition.). Oxford University Press.

Cita Chicago (17th ed.)

Wolpert, Lewis, Cheryll Tickle, Alfonso Martinez Arias, i Peter Lawrence. Principles of Development. Fifth edition. Oxford, United Kingdom: Oxford University Press, 2015.

Cita MLA (9th ed.)

Wolpert, Lewis, et al. Principles of Development. Fifth edition. Oxford University Press, 2015.