APA (7th ed.) Citation

Widgery, D. (1976). The Left in Britain, 1956-68 / by David Widgery. Penguin.

Chicago Style (17th ed.) Citation

Widgery, David. The Left in Britain, 1956-68 / by David Widgery. Penguin, 1976.

MLA (9th ed.) Citation

Widgery, David. The Left in Britain, 1956-68 / by David Widgery. Penguin, 1976.

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