Cita APA (7a ed.)

(1971). Who's who 1971, and annual biographical dictionary. Blac.

Cita Chicago Style (17a ed.)

Who's Who 1971, and Annual Biographical Dictionary. London: Blac, 1971.

Cita MLA (9a ed.)

Who's Who 1971, and Annual Biographical Dictionary. Blac, 1971.