Citazione Stile APA (7a Edizione)

Wales, P. (1974). The British constitution: An introduction (1. publ., revised and reprinted.). Hulton.

Citazione stile Chigago Style (17a edizione)

Wales, Peter. The British Constitution: An Introduction. 1. publ., revised and reprinted. Amersham: Hulton, 1974.

Citatione MLA (9a ed.)

Wales, Peter. The British Constitution: An Introduction. 1. publ., revised and reprinted. Hulton, 1974.