APA (7th ed.) Citation

Helgaker, T., Jr̜gensen, P., & Olsen, J. (2012). Molecular electronic-structure theory Trygve Helgaker, Poul Jorgensen, Jeppe Olsen. John Wiley & Sons Ltd..

Chicago Style (17th ed.) Citation

Helgaker, Trygve, Poul Jr̜gensen, and Jeppe Olsen. Molecular Electronic-structure Theory Trygve Helgaker, Poul Jorgensen, Jeppe Olsen. Chichester, England: John Wiley & Sons Ltd., 2012.

MLA (9th ed.) Citation

Helgaker, Trygve, et al. Molecular Electronic-structure Theory Trygve Helgaker, Poul Jorgensen, Jeppe Olsen. John Wiley & Sons Ltd., 2012.

Warning: These citations may not always be 100% accurate.