APA (7th ed.) Citation

Doherty , P. (1999). The Horus killings (1st.). Headline.

Chicago Style (17th ed.) Citation

Doherty , Paul. The Horus Killings. 1st. London: Headline, 1999.

MLA (9th ed.) Citation

Doherty , Paul. The Horus Killings. 1st. Headline, 1999.

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