APA (7th ed.) Citation

Helgaker, T., Jørgensen, P., & Olsen, J. (2000). Molecular electronic structure theory. Wiley.

Chicago Style (17th ed.) Citation

Helgaker, Trygve, Poul Jørgensen, and Jeppe Olsen. Molecular Electronic Structure Theory. Chichester [u.a.]: Wiley, 2000.

MLA (9th ed.) Citation

Helgaker, Trygve, et al. Molecular Electronic Structure Theory. Wiley, 2000.