Citação norma APA

(1941). Who was who 1929-1940: A companion to "Who's who" containing the biographies of those who died during the period 1929-1940. Black.

Citação norma Chicago

Who Was Who 1929-1940: A Companion to "Who's Who" Containing the Biographies of Those Who Died During the Period 1929-1940. London: Black, 1941.

Citação norma MLA

Who Was Who 1929-1940: A Companion to "Who's Who" Containing the Biographies of Those Who Died During the Period 1929-1940. Black, 1941.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.