APA (7th ed.) Citation

Hay, D. (1968). Europe: The emergence of an idea (2nd ed., revised.). Edinburgh University Press.

Chicago Style (17th ed.) Citation

Hay, Denys. Europe: The Emergence of an Idea. 2nd ed., revised. Edinburgh: Edinburgh University Press, 1968.

MLA (9th ed.) Citation

Hay, Denys. Europe: The Emergence of an Idea. 2nd ed., revised. Edinburgh University Press, 1968.