APA (7th ed.) Citation
Koul, S. K., & Bhat, B. (1991). Microwave and millimeter wave phase shifters. Artech House.
Chicago Style (17th ed.) Citation
Koul, Shiban K., and Barathi Bhat. Microwave and Millimeter Wave Phase Shifters. Boston London: Artech House, 1991.
MLA (9th ed.) Citation
Koul, Shiban K., and Barathi Bhat. Microwave and Millimeter Wave Phase Shifters. Artech House, 1991.
Warning: These citations may not always be 100% accurate.