APA (7th ed.) Citation

Haldeman, J. W. (1981). Worlds: A novel of the near future. Viking Press.

Chicago Style (17th ed.) Citation

Haldeman, Joe W. Worlds: A Novel of the Near Future. New York: Viking Press, 1981.

MLA (8th ed.) Citation

Haldeman, Joe W. Worlds: A Novel of the Near Future. Viking Press, 1981.