एपीए उद्धरण

Garland G D. (1965). Earth's shape and gravity. Pergamon Press.

शिकागो स्टाइल उद्धरण

Garland G D. Earth's Shape and Gravity. Oxford: Pergamon Press, 1965.

एमएलए उद्धरण

Garland G D. Earth's Shape and Gravity. Pergamon Press, 1965.