APA (7th ed.) Citation

Ludlum's, R. (2003). The Paris option. HarperCollins Publishers.

Chicago Style (17th ed.) Citation

Ludlum's, Robert. The Paris Option. London: HarperCollins Publishers, 2003.

MLA (8th ed.) Citation

Ludlum's, Robert. The Paris Option. HarperCollins Publishers, 2003.

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