APA (7th ed.) Citation

Boumans, P. W. (1966). Theory of spectrochemical excitation. Hilger and Watts.

Chicago Style (17th ed.) Citation

Boumans, Paul W. Theory of Spectrochemical Excitation. London: Hilger and Watts, 1966.

MLA (9th ed.) Citation

Boumans, Paul W. Theory of Spectrochemical Excitation. Hilger and Watts, 1966.

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