APA (7th ed.) Citation
Löwdin, P., & Calais, J. (1967). International Journal of quantum chemistry. Interscience Publ.
Chicago Style (17th ed.) Citation
Löwdin, Per-Olov, and Jean-Louis Calais. International Journal of Quantum Chemistry. New York: Interscience Publ, 1967.
MLA (9th ed.) Citation
Löwdin, Per-Olov, and Jean-Louis Calais. International Journal of Quantum Chemistry. Interscience Publ, 1967.
Warning: These citations may not always be 100% accurate.