एपीए उद्धरण

Stevenson, F. (1972). Projective planes. W H Freeman.

शिकागो स्टाइल उद्धरण

Stevenson, Frederick. Projective Planes. San Francisco: W H Freeman, 1972.

एमएलए उद्धरण

Stevenson, Frederick. Projective Planes. W H Freeman, 1972.