APA (7th ed.) Citation

Queirós, R., & Leal, J. P. (2014). Programming exercises evaluation systems: An interoperability survey.

Chicago Style (17th ed.) Citation

Queirós, Ricardo, and José Paulo Leal. Programming Exercises Evaluation Systems: An Interoperability Survey. 2014.

MLA (8th ed.) Citation

Queirós, Ricardo, and José Paulo Leal. Programming Exercises Evaluation Systems: An Interoperability Survey. 2014.

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