APA (7th ed.) Citation

Baigent, M., & Leigh, R. (1999). The Inquisition. Viking.

Chicago Style (17th ed.) Citation

Baigent, Michael, and Richard Leigh. The Inquisition. London: Viking, 1999.

MLA (9th ed.) Citation

Baigent, Michael, and Richard Leigh. The Inquisition. Viking, 1999.

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