APA (7th ed.) Citation

Hobbes, T. (1677). A letter about liberty and necessity: Written to the Duke of Newcastle. Printed by J.C. for W. Crook.

Chicago Style (17th ed.) Citation

Hobbes, Thomas. A Letter About Liberty and Necessity: Written to the Duke of Newcastle. London: Printed by J.C. for W. Crook, 1677.

MLA (9th ed.) Citation

Hobbes, Thomas. A Letter About Liberty and Necessity: Written to the Duke of Newcastle. Printed by J.C. for W. Crook, 1677.