APA (7th ed.) Citation

Chopra, K. K., El Kecha, A., & El Kechai, A. Three-body and lattice dynamics of aluminium.

Chicago Style (17th ed.) Citation

Chopra, K. K., A. El Kecha, and A. El Kechai. Three-body and Lattice Dynamics of Aluminium.

MLA (9th ed.) Citation

Chopra, K. K., et al. Three-body and Lattice Dynamics of Aluminium.

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