APA (7th ed.) Citation

Grey, I. (1964). Ivan III and the unification of Russia / by Ian Grey. English Universities Press.

Chicago Style (17th ed.) Citation

Grey, Ian. Ivan III and the Unification of Russia / by Ian Grey. London: English Universities Press, 1964.

MLA (9th ed.) Citation

Grey, Ian. Ivan III and the Unification of Russia / by Ian Grey. English Universities Press, 1964.

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