APA (7th ed.) Citation

Elton, G. (1967). The practice of history. Thomas Y.Cromwell Co..

Chicago Style (17th ed.) Citation

Elton, G.R. The Practice of History. New York: Thomas Y.Cromwell Co., 1967.

MLA (9th ed.) Citation

Elton, G.R. The Practice of History. Thomas Y.Cromwell Co., 1967.