APA (7th ed.) Citation

Indridason, A. (2021). The darkness knows: A novel.

Chicago Style (17th ed.) Citation

Indridason, Arnaldur. The Darkness Knows: A Novel. 2021.

MLA (8th ed.) Citation

Indridason, Arnaldur. The Darkness Knows: A Novel. 2021.

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