APA (7th ed.) Citation

Koul, S. K., & Bhat, B. Microwave and millimeter wave phas shifters. Artech House.

Chicago Style (17th ed.) Citation

Koul, Shiban K., and Bharathi Bhat. Microwave and Millimeter Wave Phas Shifters. Boston u.a: Artech House.

MLA (9th ed.) Citation

Koul, Shiban K., and Bharathi Bhat. Microwave and Millimeter Wave Phas Shifters. Artech House.

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