APA (7th ed.) Citation

Tovar, E., Piedra Pullaguari, N., Chicaiza Espinosa, J., & Lopez Vargas, J. (2015). A user profile definition in context of recommendation of open educational resources. An approach based on linked open vocabularies.

Chicago Style (17th ed.) Citation

Tovar, E., N. Piedra Pullaguari, J. Chicaiza Espinosa, and J. Lopez Vargas. A User Profile Definition in Context of Recommendation of Open Educational Resources. An Approach Based on Linked Open Vocabularies. 2015.

MLA (9th ed.) Citation

Tovar, E., et al. A User Profile Definition in Context of Recommendation of Open Educational Resources. An Approach Based on Linked Open Vocabularies. 2015.