Entire book, one author
McCarthy, Cormac. The Road. Vintage Books, 2006.
Entire book, two authors
Beers, Burton F., and Rose Ann Mulford. The Vietnam War. Globe Fearon, 1997.
Entire book, more than two authors
Venolin, Jean P., et al. What Makes a Great Writer? Hudson, 2004.
Single chapter or essay (with editors)
Wolff, Tobias. “The Liar.” Identity Lessons: Contemporary Writing About Learning to Be American, edited by Maria Mazziotti Gillan and Jennifer Gillan, Penguin Books, 1999, pp. 23-39.
Encyclopedia entry (no author)
"Jack the Ripper." The Encyclopedia of Serial Killers, Edited by Michael Newton, 2nd ed., Checkmark Books, 2006, p. 132.