APA (7th ed.) Citation

Fraga, S., Saxena, K. M. S., & Karwowski, J. (1979). Atomic energy levels: Data for parametric calculations. Elsevier Scientific Publishing.

Chicago Style (17th ed.) Citation

Fraga, Serafin, K. M. S. Saxena, and Jacek Karwowski. Atomic Energy Levels: Data for Parametric Calculations. Amsterdam: Elsevier Scientific Publishing, 1979.

MLA (9th ed.) Citation

Fraga, Serafin, et al. Atomic Energy Levels: Data for Parametric Calculations. Elsevier Scientific Publishing, 1979.