Cita APA (7a ed.)

Thomas, R. M. (1990). The encyclopedia of human development and education: Theory, research, and studies (1. ed.). Pergamon Press.

Cita Chicago Style (17a ed.)

Thomas, R. Murray. The Encyclopedia of Human Development and Education: Theory, Research, and Studies. 1. ed. Oxford [u.a.]: Pergamon Press, 1990.

Cita MLA (8a ed.)

Thomas, R. Murray. The Encyclopedia of Human Development and Education: Theory, Research, and Studies. 1. ed. Pergamon Press, 1990.

Precaución: Estas citas no son 100% exactas.