Cita APA (7a ed.)

Davies, B. D., & Davies, B. (1986). Threatening youth: Towards a national policy (1. publ.). Open Univ. Pr.

Cita Chicago Style (17a ed.)

Davies, Bernard D., y Bernard Davies. Threatening Youth: Towards a National Policy. 1. publ. Milton Keynes [u.a.]: Open Univ. Pr, 1986.

Cita MLA (9a ed.)

Davies, Bernard D., y Bernard Davies. Threatening Youth: Towards a National Policy. 1. publ. Open Univ. Pr, 1986.