एपीए उद्धरण

A Bazard. (1918). Frontiers in Physics .The Early Universe: Reprints. Paris: Albin Michel.

शिकागो स्टाइल उद्धरण

A Bazard. Frontiers in Physics .The Early Universe: Reprints. Paris: Albin Michel, 1918.

एमएलए उद्धरण

A Bazard. Frontiers in Physics .The Early Universe: Reprints. Paris: Albin Michel, 1918.