एपीए उद्धरण

Roberts, J. D. (1961). Notes on molecular orbital calculations. W. A. Benjamin.

शिकागो स्टाइल उद्धरण

Roberts, John D. Notes on Molecular Orbital Calculations. New York: W. A. Benjamin, 1961.

एमएलए उद्धरण

Roberts, John D. Notes on Molecular Orbital Calculations. W. A. Benjamin, 1961.