APA (7th ed.) Citation

Hazard, P. (1965). European thought in the eighteenth century / by P. Hazard. Penguin.

Chicago Style (17th ed.) Citation

Hazard, P. European Thought in the Eighteenth Century / by P. Hazard. Penguin, 1965.

MLA (9th ed.) Citation

Hazard, P. European Thought in the Eighteenth Century / by P. Hazard. Penguin, 1965.

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