एपीए उद्धरण

Davies, P. C. W., & Brown, J. R. (1988). Superstrings: A theory of everything? Cambridge University Press.

शिकागो स्टाइल उद्धरण

Davies, P. C. W., और J. R. Brown. Superstrings: A Theory of Everything? Cambridge [Cambridgeshire]: Cambridge University Press, 1988.

एमएलए उद्धरण

Davies, P. C. W., और J. R. Brown. Superstrings: A Theory of Everything? Cambridge University Press, 1988.