APA (7th ed.) Citation

Thatcher, M. (1993). The Downing Street years. Harpercollins.

Chicago Style (17th ed.) Citation

Thatcher, Margaret. The Downing Street Years. New York, NY: Harpercollins, 1993.

MLA (8th ed.) Citation

Thatcher, Margaret. The Downing Street Years. Harpercollins, 1993.