APA (7th ed.) Citation

Briggs, A. (1999). Who's who in the twentieth century. Oxford University Press.

Chicago Style (17th ed.) Citation

Briggs, Asa. Who's Who in the Twentieth Century. Oxford ; New York: Oxford University Press, 1999.

MLA (9th ed.) Citation

Briggs, Asa. Who's Who in the Twentieth Century. Oxford University Press, 1999.