Cita APA

Robert Ludlum & Gayle Lynds. (2000). The heads factor. Harper Collins.

Citación estilo Chicago

Robert Ludlum and Gayle Lynds. The Heads Factor. London: Harper Collins, 2000.

Cita MLA

Robert Ludlum and Gayle Lynds. The Heads Factor. Harper Collins, 2000.

Warning: These citations may not always be 100% accurate.