APA (7th ed.) Citation

Volakis, J., Nurnberger, N., & Filipovic., D. A broadband cavity-backed slot spiral antenna. IEEE Antennas & propagation magazine..

Chicago Style (17th ed.) Citation

Volakis, J.L, N.W Nurnberger, and D.S Filipovic. "A Broadband Cavity-backed Slot Spiral Antenna." IEEE Antennas & Propagation Magazine. .

MLA (9th ed.) Citation

Volakis, J.L, et al. "A Broadband Cavity-backed Slot Spiral Antenna." IEEE Antennas & Propagation Magazine., .

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