APA (7th ed.) Citation

Who's who: An annual biographical dictionary with which is incorporated (1st ed.1849-.). A. and C. Black,[n.d.].

Chicago Style (17th ed.) Citation

Who's Who: An Annual Biographical Dictionary with Which Is Incorporated. 1st ed.1849-. London: A. and C. Black,[n.d.].

MLA (9th ed.) Citation

Who's Who: An Annual Biographical Dictionary with Which Is Incorporated. 1st ed.1849-. A. and C. Black,[n.d.].

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