APA (7th ed.) Citation

Trevelyan, G. M. (1947). History of England ([3rd ed.] a new and enlarged ed.). Longmans, Green and Co.

Chicago Style (17th ed.) Citation

Trevelyan, G. M. History of England. [3rd ed.] a new and enlarged ed. London [etc.]: Longmans, Green and Co, 1947.

MLA (9th ed.) Citation

Trevelyan, G. M. History of England. [3rd ed.] a new and enlarged ed. Longmans, Green and Co, 1947.