Cita APA (7a ed.)

Kelsey-Smith, M., & Beavers, W. R. (1981). Family assessment: Centripetal and centrifugal family systems. [s.n.].

Cita Chicago Style (17a ed.)

Kelsey-Smith, Martha, y W. Robert Beavers. Family Assessment: Centripetal and Centrifugal Family Systems. [S.l.]: [s.n.], 1981.

Cita MLA (9a ed.)

Kelsey-Smith, Martha, y W. Robert Beavers. Family Assessment: Centripetal and Centrifugal Family Systems. [s.n.], 1981.