APA (7th ed.) Citation

Free, J. (1749). An essay towards a history of the English tongue.

Chicago Style (17th ed.) Citation

Free, John. An Essay Towards a History of the English Tongue. London, 1749.

MLA (9th ed.) Citation

Free, John. An Essay Towards a History of the English Tongue. 1749.

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