APA (7th ed.) Citation

Cobbett, W., Cole, G. D. H., & Thornton, E. (1937). Letters from William Cobbett to Edward Thornton: Written in the years 1797 to 1800. Oxford university press.

Chicago Style (17th ed.) Citation

Cobbett, William, G. D. H. Cole, and Edward Thornton. Letters from William Cobbett to Edward Thornton: Written in the Years 1797 to 1800. London, New York, [etc.]: Oxford university press, 1937.

MLA (9th ed.) Citation

Cobbett, William, et al. Letters from William Cobbett to Edward Thornton: Written in the Years 1797 to 1800. Oxford university press, 1937.