APA (7th ed.) Citation

(1989). Margaret Thatcher, the first ten years (1. publ. in Great Britain.). Sidgwick & Jackson.

Chicago Style (17th ed.) Citation

Margaret Thatcher, the First Ten Years. 1. publ. in Great Britain. London: Sidgwick & Jackson, 1989.

MLA (9th ed.) Citation

Margaret Thatcher, the First Ten Years. 1. publ. in Great Britain. Sidgwick & Jackson, 1989.