APA (7th ed.) Citation

Webster, N., Russell, T. H., & Robson, C. (1874). Improved pronouncing dictionary of the english language. Ward, Lock, &Tayler, Warwick House.

Chicago Style (17th ed.) Citation

Webster, Noah, Thomas H. Russell, and Charles Robson. Improved Pronouncing Dictionary of the English Language. London: Ward, Lock, &Tayler, Warwick House, 1874.

MLA (9th ed.) Citation

Webster, Noah, et al. Improved Pronouncing Dictionary of the English Language. Ward, Lock, &Tayler, Warwick House, 1874.