APA (7th ed.) Citation

Ferreira, J. A., Almeida, F. G. d., & Quintas, M. R. (2002). Semi-empirical model for a hydraulic servo-solenoid valve.

Chicago Style (17th ed.) Citation

Ferreira, J. A., Fernando Gomes de Almeida, and Manuel Rodrigues Quintas. Semi-empirical Model for a Hydraulic Servo-solenoid Valve. 2002.

MLA (8th ed.) Citation

Ferreira, J. A., et al. Semi-empirical Model for a Hydraulic Servo-solenoid Valve. 2002.