Modern Language Association of America. MLA Handbook. Eighth ed., 2016.
The eighth edition is available at the IC, Cudahy, Lewis, and Rome Reference sections: LB 2369 .G53 2016.
Generally, MLA documentation and formatting is used by the disciplines associated with the Modern Languages Association (hence MLA). These include English and Foreign Languages. One would also likely use MLA in freshman writing courses (UCWR 110).