Cita APA (7a ed.)

Oppenheimer, L. (1991). The self, the self-concept, and self-understanding - a review of self-understanding in childhood and adolescence. Human development, 34(2), 113-120.

Cita Chicago Style (17a ed.)

Oppenheimer, L. "The Self, the Self-concept, and Self-understanding - a Review of Self-understanding in Childhood and Adolescence." Human Development 34, no. 2 (1991): 113-120.

Cita MLA (9a ed.)

Oppenheimer, L. "The Self, the Self-concept, and Self-understanding - a Review of Self-understanding in Childhood and Adolescence." Human Development, vol. 34, no. 2, 1991, pp. 113-120.