APA (7th ed.) Citation

Habiballah, I., & unknown. (1996). Modified two-level state estimation approach [for power systems].

Chicago Style (17th ed.) Citation

Habiballah, I.O, and unknown. Modified Two-level State Estimation Approach [for Power Systems]. 1996.

MLA (9th ed.) Citation

Habiballah, I.O, and unknown. Modified Two-level State Estimation Approach [for Power Systems]. 1996.

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