APA (7th ed.) Citation

Queirós, R., & Leal, J. P. (2014). E-learning frameworks: A survey.

Chicago Style (17th ed.) Citation

Queirós, Ricardo, and José Paulo Leal. E-learning Frameworks: A Survey. 2014.

MLA (8th ed.) Citation

Queirós, Ricardo, and José Paulo Leal. E-learning Frameworks: A Survey. 2014.

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