APA (7th ed.) Citation

Marr, A. (2000). The day Britain died / Andrew Marr. Profile.

Chicago Style (17th ed.) Citation

Marr, Andrew. The Day Britain Died / Andrew Marr. London: Profile, 2000.

MLA (9th ed.) Citation

Marr, Andrew. The Day Britain Died / Andrew Marr. Profile, 2000.

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