APA (7th ed.) Citation

Riddell. (1991). The Thatcher era and its legacy (2nd ed.). Basil Balckwell.

Chicago Style (17th ed.) Citation

Riddell. The Thatcher Era and Its Legacy. 2nd ed. Oxford: Basil Balckwell, 1991.

MLA (8th ed.) Citation

Riddell. The Thatcher Era and Its Legacy. 2nd ed. Basil Balckwell, 1991.

Warning: These citations may not always be 100% accurate.