APA (7th ed.) Citation

Costa, R. J., Portela, P., & Alves, G. R. (2018). An educational kit to teach and learn Operational Amplifiers.

Chicago Style (17th ed.) Citation

Costa, Ricardo J., Paulo Portela, and Gustavo R. Alves. An Educational Kit to Teach and Learn Operational Amplifiers. 2018.

MLA (8th ed.) Citation

Costa, Ricardo J., et al. An Educational Kit to Teach and Learn Operational Amplifiers. 2018.

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