Cita APA (7a ed.)

Stierlin, H., Levi, L. D., & Savard, R. J. (1973). Centrifugal versus centripetal separation in adolescence: Two patterns and some of their implications. [s.n.].

Cita Chicago Style (17a ed.)

Stierlin, Helm, L. David Levi, y Robert J. Savard. Centrifugal Versus Centripetal Separation in Adolescence: Two Patterns and Some of Their Implications. [S.l.]: [s.n.], 1973.

Cita MLA (9a ed.)

Stierlin, Helm, et al. Centrifugal Versus Centripetal Separation in Adolescence: Two Patterns and Some of Their Implications. [s.n.], 1973.