APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Heckmann, P. H., et al. Introduction to the Spectroscopy of Atoms. North-Holland Physics, 1989.