APA (7th ed.) Citation

Ford, B. (1973). The Modern age / edited by Boris Ford (3rd ed.). Penguin.

Chicago Style (17th ed.) Citation

Ford, Boris. The Modern Age / Edited by Boris Ford. 3rd ed. Harmondsworth: Penguin, 1973.

MLA (9th ed.) Citation

Ford, Boris. The Modern Age / Edited by Boris Ford. 3rd ed. Penguin, 1973.

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