APA (7th ed.) Citation

Santos, J. M., Horta, H., & Heitor, M. (2017). Too many PhDs? An invalid argument for countries developing their scientific and academic systems: The case of Portugal.

Chicago Style (17th ed.) Citation

Santos, J. M., H. Horta, and M. Heitor. Too Many PhDs? An Invalid Argument for Countries Developing Their Scientific and Academic Systems: The Case of Portugal. 2017.

MLA (8th ed.) Citation

Santos, J. M., et al. Too Many PhDs? An Invalid Argument for Countries Developing Their Scientific and Academic Systems: The Case of Portugal. 2017.