Citação norma APA

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.

Citação norma Chicago

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.

Citação norma MLA

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

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.