APA (7th ed.) Citation

Nicholls, C. S. (1993). The Dictionary of national biography. O.U.P.

Chicago Style (17th ed.) Citation

Nicholls, C. S. The Dictionary of National Biography. Oxford: O.U.P, 1993.

MLA (9th ed.) Citation

Nicholls, C. S. The Dictionary of National Biography. O.U.P, 1993.

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