APA (7th ed.) Citation

Le Carré, J. (2019). Agent running in the field. Viking.

Chicago Style (17th ed.) Citation

Le Carré, John. Agent Running in the Field. [London, England]: Viking, 2019.

MLA (8th ed.) Citation

Le Carré, John. Agent Running in the Field. Viking, 2019.

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