APA (7th ed.) Citation

Ramsay, G. (1843). An enquiry into the principles of human happiness and human duty: In two books. W. Pickering.

Chicago Style (17th ed.) Citation

Ramsay, George. An Enquiry into the Principles of Human Happiness and Human Duty: In Two Books. London: W. Pickering, 1843.

MLA (9th ed.) Citation

Ramsay, George. An Enquiry into the Principles of Human Happiness and Human Duty: In Two Books. W. Pickering, 1843.