As with all citations in MLA format, authors may be incorporated into the citation's introduction or included in parentheses after the citation.
Meyer writes "I felt silly, asking for clarification on make-believe" (180).
Studies have shown that more and more teachers are changing careers after their first year of teaching. (Posamentier, Jaye, and Krulik 55).
Let your works cited entry choices guide your in-text citations.
You may either list all names:
Stutts, Smith, Cass, and Round argue that language development may also impact development in related parts of the brain (339).
or name only the first author, and add "et al."
Stutts et. al. argue that language development may also impact development in related parts of the brain (339).