Cita APA (7a ed.)

Worell, J. (1982). Psychological development in the elementary years. Academic Press.

Cita Chicago Style (17a ed.)

Worell, Judith. Psychological Development in the Elementary Years. New York/N.Y. u.a: Academic Press, 1982.

Cita MLA (8a ed.)

Worell, Judith. Psychological Development in the Elementary Years. Academic Press, 1982.