APA (7th ed.) Citation

Theroux, P. (1989). My secret history. G. P. Putnam Sons.

Chicago Style (17th ed.) Citation

Theroux, Paul. My Secret History. new York: G. P. Putnam Sons, 1989.

MLA (9th ed.) Citation

Theroux, Paul. My Secret History. G. P. Putnam Sons, 1989.