APA (7th ed.) Citation

Heckmann, P. H., & Trabert, E. (1989). Introduction to the spectroscopy of atoms. North Holland.

Chicago Style (17th ed.) Citation

Heckmann, P. H., and E. Trabert. Introduction to the Spectroscopy of Atoms. Amsterdam: North Holland, 1989.

MLA (8th ed.) Citation

Heckmann, P. H., and E. Trabert. Introduction to the Spectroscopy of Atoms. North Holland, 1989.