APA-viite (7. p.)

Ludlum, R. (2002). The Janson directive. St. Martin's Press.

Chicago-viite (17. p.)

Ludlum, Robert. The Janson Directive. New York: St. Martin's Press, 2002.

MLA-viite (9. p.)

Ludlum, Robert. The Janson Directive. St. Martin's Press, 2002.