APA (7th ed.) Citation

Machado, R. J., Fernandes, J. M., & Proença, A. J. (1997). SOFHIA: A CAD environment to design digital control systems.

Chicago Style (17th ed.) Citation

Machado, Ricardo J., João M. Fernandes, and Alberto José Proença. SOFHIA: A CAD Environment to Design Digital Control Systems. 1997.

MLA (8th ed.) Citation

Machado, Ricardo J., et al. SOFHIA: A CAD Environment to Design Digital Control Systems. 1997.

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