APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Heckmann, Paul Heinrich, and Elmar Träbert. Introduction to the Spectroscopy of Atoms. Amsterdam: North-Holland, 1989.

MLA (9th ed.) Citation

Heckmann, Paul Heinrich, and Elmar Träbert. Introduction to the Spectroscopy of Atoms. North-Holland, 1989.