एपीए उद्धरण

Schrödinger, E. (1956). Expanding universes. University Press.

शिकागो स्टाइल उद्धरण

Schrödinger, Erwin. Expanding Universes. Cambridge [Eng.]: University Press, 1956.

एमएलए उद्धरण

Schrödinger, Erwin. Expanding Universes. University Press, 1956.