In the case of an article from an edited book, the title of the article is cited like the title of a journal article. See example 1.
For a preface, foreword or introduction, see example 2.
Only cite the specific page numbers to which you are referring; the complete inclusive page numbers will be given in the bibliography at the end of your document.
Examples:
1. Sabine Willis, "Made to be Moral: At Parramatta Girls' School, 1898-1923," in Twentieth Century Sydney: Studies in Urban & Social History, ed. Jill Roe (Sydney: Hale & Iremonger, 1980), 180.
2. William Trevor, introduction to Pride and Prejudice, by Jane Austen (Oxford: Oxford University Press, 1999), vi.
3. Jonathan Dewald, "The Early Modern Period," in Encyclopedia of European Social History, ed. Peter N. Stearns (Detroit: Scribner, 2001), 1:173, Gale Virtual Reference Library.