एपीए उद्धरण

Ricken Werner. (1986). Lecture notes in Earth Sciences. Springer - Verlag.

शिकागो स्टाइल उद्धरण

Ricken Werner. Lecture Notes in Earth Sciences. NewYorkl: Springer - Verlag, 1986.

एमएलए उद्धरण

Ricken Werner. Lecture Notes in Earth Sciences. Springer - Verlag, 1986.