Cita APA (7th ed.)

(1994). Energy levels in atoms and molecules / W.G. Richards, P.R. Scott.

Cita Chicago (17th ed.)

Energy Levels in Atoms and Molecules / W.G. Richards, P.R. Scott. 1994.

Cita MLA (9th ed.)

Energy Levels in Atoms and Molecules / W.G. Richards, P.R. Scott. 1994.