APA (7th ed.) Citation

Masoudi, H., AlSunaidi, M., Arnold, J., & unknown. (1999). Time-domain finite-difference beam propagation method.

Chicago Style (17th ed.) Citation

Masoudi, H.M, M.A AlSunaidi, J.M Arnold, and unknown. Time-domain Finite-difference Beam Propagation Method. 1999.

MLA (9th ed.) Citation

Masoudi, H.M, et al. Time-domain Finite-difference Beam Propagation Method. 1999.