APA (7th ed.) Citation

Guamán T., B., Valdiviezo G., V., & Youman, I. (2013). The holy grail in the legend of King Arthur.

Chicago Style (17th ed.) Citation

Guamán T., Blanca, Verónica Valdiviezo G., and Ion Youman. The Holy Grail in the Legend of King Arthur. 2013.

MLA (8th ed.) Citation

Guamán T., Blanca, et al. The Holy Grail in the Legend of King Arthur. 2013.