APA (7th ed.) Citation

Piedra Pullaguari, N., Chicaiza Espinosa, J., Tovar, E., & Martínez, O. (2009). Open educational practices and resources based on social software: UTPL experience.

Chicago Style (17th ed.) Citation

Piedra Pullaguari, N., J. Chicaiza Espinosa, E. Tovar, and O. Martínez. Open Educational Practices and Resources Based on Social Software: UTPL Experience. 2009.

MLA (9th ed.) Citation

Piedra Pullaguari, N., et al. Open Educational Practices and Resources Based on Social Software: UTPL Experience. 2009.