एपीए उद्धरण

Unsold, A., & Bascheck, B. B. (2002). new cosmos: An introduction to astronomy and astrophysics (5th ed.). Springer.

शिकागो स्टाइल उद्धरण

Unsold, Albrecht, और Bodo Brewer Bascheck. New Cosmos: An Introduction to Astronomy and Astrophysics. 5th ed. New York: Springer, 2002.

एमएलए उद्धरण

Unsold, Albrecht, और Bodo Brewer Bascheck. New Cosmos: An Introduction to Astronomy and Astrophysics. 5th ed. Springer, 2002.