APA (7th ed.) Citation

Johnson, R. C. (1949). An introduction to molecular spectra. Methuen.

Chicago Style (17th ed.) Citation

Johnson, Raynor C. An Introduction to Molecular Spectra. London: Methuen, 1949.

MLA (9th ed.) Citation

Johnson, Raynor C. An Introduction to Molecular Spectra. Methuen, 1949.

Warning: These citations may not always be 100% accurate.