APA (7th ed.) Citation

Leonard, J. W., & Marquis, A. N. (1944). Who's who in America: A biographical dictionary of notable living men and women. A.N.Marquis.

Chicago Style (17th ed.) Citation

Leonard, John Willian, and Albert Nelso Marquis. Who's Who in America: A Biographical Dictionary of Notable Living Men and Women. Chicago: A.N.Marquis, 1944.

MLA (9th ed.) Citation

Leonard, John Willian, and Albert Nelso Marquis. Who's Who in America: A Biographical Dictionary of Notable Living Men and Women. A.N.Marquis, 1944.