APA (7th ed.) Citation

Gupta, Garg, & Bahl. (1979). Microstrip lines and slotlines. Artech House.

Chicago Style (17th ed.) Citation

Gupta, Garg, and Bahl. Microstrip Lines and Slotlines. Mass Achusetts: Artech House, 1979.

MLA (8th ed.) Citation

Gupta, et al. Microstrip Lines and Slotlines. Artech House, 1979.