एपीए उद्धरण

Grant, E. (1977). Physical science in the Middle Ages. Cambridge: Cambridge University Press.

शिकागो स्टाइल उद्धरण

Grant, Edward. Physical Science in the Middle Ages. Cambridge: Cambridge University Press, 1977.

एमएलए उद्धरण

Grant, Edward. Physical Science in the Middle Ages. Cambridge: Cambridge University Press, 1977.