Langton, C. G. (1998). Artificial life: An overview (4th ed.). The Mit Press.
Chicago Style (17th ed.) CitationLangton, Christopher G. Artificial Life: An Overview. 4th ed. Cambridge: The Mit Press, 1998.
MLA (9th ed.) CitationLangton, Christopher G. Artificial Life: An Overview. 4th ed. The Mit Press, 1998.