APA (7th ed.) Citation

Padfield, C. F. (1992). British constitution (7. ed.). Made Simple Books.

Chicago Style (17th ed.) Citation

Padfield, Colin F. British Constitution. 7. ed. Oxford: Made Simple Books, 1992.

MLA (9th ed.) Citation

Padfield, Colin F. British Constitution. 7. ed. Made Simple Books, 1992.