Citazione APA

Cohen, M. L., Berring, R. C., & Olson, K. C. (1989). How to find the law (ed.9.). West publishing.

Stile di citazione Chicago

Cohen, Morris L., Robert C. Berring, e Kent C. Olson. How to Find the Law. ed.9. Minn: West publishing, 1989.

Citazione MLA

Cohen, Morris L., et al. How to Find the Law. ed.9. West publishing, 1989.