APA (7th ed.) Citation

Hernández Jaco, K. A., Orellana Santamaría, W. E., Pérez Mendoza, E. A., & Vanegas Salguero, M. O. a proficiency test as a requirement to graduatew in the major.

Chicago Style (17th ed.) Citation

Hernández Jaco, Karen Azucena, William Ernesto Orellana Santamaría, Edgar Amilcar Pérez Mendoza, and Miguel Oswaldo Vanegas Salguero. A Proficiency Test as a Requirement to Graduatew in the Major.

MLA (9th ed.) Citation

Hernández Jaco, Karen Azucena, et al. A Proficiency Test as a Requirement to Graduatew in the Major.

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