एपीए उद्धरण

Ruffini,, R. (1985). Galaxies, quasars and cosmology (1st.). World Scientific.

शिकागो स्टाइल उद्धरण

Ruffini,, Remo. Galaxies, Quasars and Cosmology. 1st. Singapore: World Scientific, 1985.

एमएलए उद्धरण

Ruffini,, Remo. Galaxies, Quasars and Cosmology. 1st. World Scientific, 1985.