APA (7th ed.) Citation

(1920). Who was Who: A companion to Who's Who containing the Biographies of those who died during the period 1897-1916. A. & C. Black.

Chicago Style (17th ed.) Citation

Who Was Who: A Companion to Who's Who Containing the Biographies of Those Who Died During the Period 1897-1916. London: A. & C. Black, 1920.

MLA (9th ed.) Citation

Who Was Who: A Companion to Who's Who Containing the Biographies of Those Who Died During the Period 1897-1916. A. & C. Black, 1920.