MLA citation style

Works cited - Two or more works by the same creator

Begin by arranging the creator’s works in alphabetical order. Create a full entry for the first work in the list (following the instructions below). For the other work(s), replace the creator’s name by three hyphens and arrange alphabetically by the work’s title.

Example:

Postman, Neil. Amusing Ourselves to Death: Public Discourse in the Age of Show Business. Viking,     1985.

---. The Disappearance of Childhood. Vintage, 1994.