APA (7th ed.) Citation

Acorn Media (Firm), Annis, F., Warwick, J., & Christie, A. (2013). Agatha Christie partners in crime. Acorn Media.

Chicago Style (17th ed.) Citation

Acorn Media (Firm), Francesca Annis, James Warwick, and Agatha Christie. Agatha Christie Partners in Crime. [United States]: Acorn Media, 2013.

MLA (8th ed.) Citation

Acorn Media (Firm), et al. Agatha Christie Partners in Crime. Acorn Media, 2013.

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