APA (7th ed.) Citation

Boumans, P. W. J. M. (1977). Colloquium spectroscopicum internationale 20: 7. international conference on atomic spectroscopy. [s. n.].

Chicago Style (17th ed.) Citation

Boumans, P. W. J. M. Colloquium Spectroscopicum Internationale 20: 7. International Conference on Atomic Spectroscopy. Praha: [s. n.], 1977.

MLA (9th ed.) Citation

Boumans, P. W. J. M. Colloquium Spectroscopicum Internationale 20: 7. International Conference on Atomic Spectroscopy. [s. n.], 1977.