APA (7th ed.) Citation

Elton, G. R. (1970). Political history: Principles and practice. Basic Books.

Chicago Style (17th ed.) Citation

Elton, G. R. Political History: Principles and Practice. New York: Basic Books, 1970.

MLA (9th ed.) Citation

Elton, G. R. Political History: Principles and Practice. Basic Books, 1970.

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