Style de citation APA

Urwick, L. (1957). Leadership in the twentieth century. Sir Isaac pitman.

Style de citation Chicago

Urwick, L.F. Leadership in the Twentieth Century. London: Sir Isaac pitman, 1957.

Style de citation MLA

Urwick, L.F. Leadership in the Twentieth Century. Sir Isaac pitman, 1957.

Attention : ces citations peuvent ne pas être correctes à 100%.