APA (7th ed.) Citation

Thatcher, M. (1993). The downing street years. Harpercollins publisher.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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