APA (7th ed.) Citation

Choong, F. C. (2001). Wide-band symmetrical five-port microstrip coupler.

Chicago Style (17th ed.) Citation

Choong, Foo Chung. Wide-band Symmetrical Five-port Microstrip Coupler. 2001.

MLA (8th ed.) Citation

Choong, Foo Chung. Wide-band Symmetrical Five-port Microstrip Coupler. 2001.

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