APA

Ludlum Robert,, . (2003). The Janson directive. London: St. Martin's Papers Books.

Chicago

Ludlum Robert,, . 2003. The Janson directive. London: St. Martin's Papers Books.

Harvard

Ludlum Robert,, . (2003). The Janson directive. London: St. Martin's Papers Books.

MLA

Ludlum Robert,, . The Janson directive. London: St. Martin's Papers Books. 2003.