एपीए उद्धरण

Gray, J. (2012). Henri Poincar�: A scientific biography. Princeton.

शिकागो स्टाइल उद्धरण

Gray, Jeremy. Henri Poincar�: A Scientific Biography. New Jersey: Princeton, 2012.

एमएलए उद्धरण

Gray, Jeremy. Henri Poincar�: A Scientific Biography. Princeton, 2012.