Cita APA (7a ed.)

Howitt, D., & Billig, M. (1989). Social psychology: Conflicts and continuities (1. publ.). Open Univ. Pr.

Cita Chicago Style (17a ed.)

Howitt, Dennis, y Michael Billig. Social Psychology: Conflicts and Continuities. 1. publ. Milton Keynes [u.a.]: Open Univ. Pr, 1989.

Cita MLA (8a ed.)

Howitt, Dennis, y Michael Billig. Social Psychology: Conflicts and Continuities. 1. publ. Open Univ. Pr, 1989.