एपीए उद्धरण

Schneider, P. (2020). Extragalactic Astronomy and Cosmology. 2nd ed. Springer Berlin Heidelberg.

शिकागो स्टाइल उद्धरण

Schneider, Peter. Extragalactic Astronomy and Cosmology. 2nd Ed. Springer Berlin Heidelberg, 2020.

एमएलए उद्धरण

Schneider, Peter. Extragalactic Astronomy and Cosmology. 2nd Ed. Springer Berlin Heidelberg, 2020.