एपीए उद्धरण

Armstrong, L. (1971). Theory of the hyperfine structure of free atoms. Wiley-Interscience.

शिकागो स्टाइल उद्धरण

Armstrong, Lloyd. Theory of the Hyperfine Structure of Free Atoms. New York: Wiley-Interscience, 1971.

एमएलए उद्धरण

Armstrong, Lloyd. Theory of the Hyperfine Structure of Free Atoms. Wiley-Interscience, 1971.