APA (7th ed.) Citation

Putnik, G. D., Ferreira, L., Lopes, N., & Putnik, Z. (2020). What is a Cyber-Physical System: Definitions and Models Spectrum.

Chicago Style (17th ed.) Citation

Putnik, Goran D., Luís Ferreira, Nuno Lopes, and Zlata Putnik. What Is a Cyber-Physical System: Definitions and Models Spectrum. 2020.

MLA (8th ed.) Citation

Putnik, Goran D., et al. What Is a Cyber-Physical System: Definitions and Models Spectrum. 2020.