APA (7th ed.) Citation

Hasanein, A. A., & Hubač, I. Perturbation study of hydrogen-bonded systems.

Chicago Style (17th ed.) Citation

Hasanein, A. A., and Ivan Hubač. Perturbation Study of Hydrogen-bonded Systems.

MLA (9th ed.) Citation

Hasanein, A. A., and Ivan Hubač. Perturbation Study of Hydrogen-bonded Systems.

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