APA (7th ed.) Citation

Silva, S. R., Cunha, S., Matos, A., & Cruz, N. (2009). Synthetic Aperture Techniques for Sonar Systems.

Chicago Style (17th ed.) Citation

Silva, Sérgio Rui, Sérgio Cunha, Aníbal Matos, and Nuno Cruz. Synthetic Aperture Techniques for Sonar Systems. 2009.

MLA (8th ed.) Citation

Silva, Sérgio Rui, et al. Synthetic Aperture Techniques for Sonar Systems. 2009.

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