APA (7th ed.) Citation

Seymour-Smith, M. (1977). Who's who in twentieth century literature (Repr.). McGraw-Hill.

Chicago Style (17th ed.) Citation

Seymour-Smith, Martin. Who's Who in Twentieth Century Literature. Repr. New York: McGraw-Hill, 1977.

MLA (9th ed.) Citation

Seymour-Smith, Martin. Who's Who in Twentieth Century Literature. Repr. McGraw-Hill, 1977.