Meyer, Stephanie. Twilight. New York: Little, Brown and Co., 2005. Print.
Posamentier, Alfred S., Daniel Jaye, and Stephen Krulik. Exemplary practices for secondary math teachers. Alexandria: Association for Supervision and Curriculum Development, 2007. Print.
You may either list all names:
Stutts, John P., Sylvia Smith, Henry Cass, and Lisa Round. History of Linguistics. London: Scribes, 1999. Print.
or name only the first author, and add "et al."
Stutts, John P., et al. History of Linguistics. London: Scribes, 1999. Print.
List Anonymous works by title:
Rhinoceros Goes to School. Boston: Abrams, 2008. Print.