APA (7th ed.) Citation

Belhadj, C., Shwehdi, M., Farag, A., & unknown. (1998). Corona wind velocity: Parametric approach.

Chicago Style (17th ed.) Citation

Belhadj, C.A, M.H Shwehdi, A.S Farag, and unknown. Corona Wind Velocity: Parametric Approach. 1998.

MLA (9th ed.) Citation

Belhadj, C.A, et al. Corona Wind Velocity: Parametric Approach. 1998.