Cita APA (7a ed.)

Youniss, J. E., Piaget, J., & Sullivan. (1980). Parents and peers in social development. Univ. of Chicago Pr.

Cita Chicago Style (17a ed.)

Youniss, James E., Jean Piaget, y Sullivan. Parents and Peers in Social Development. Chicago: Univ. of Chicago Pr, 1980.

Cita MLA (9a ed.)

Youniss, James E., et al. Parents and Peers in Social Development. Univ. of Chicago Pr, 1980.