एपीए उद्धरण

Cliff,Andrew D. (1975). Elements of spatial structure. Cambridge University Press.

शिकागो स्टाइल उद्धरण

Cliff,Andrew D. Elements of Spatial Structure. Cambridge: Cambridge University Press, 1975.

एमएलए उद्धरण

Cliff,Andrew D. Elements of Spatial Structure. Cambridge University Press, 1975.