APA (7th ed.) Citation

Gregson, J. M. (2009). Darkness visible: A Lambert and Hook mystery (1st world ed.). Severn House.

Chicago Style (17th ed.) Citation

Gregson, J. M. Darkness Visible: A Lambert and Hook Mystery. 1st world ed. Sutton: Severn House, 2009.

MLA (8th ed.) Citation

Gregson, J. M. Darkness Visible: A Lambert and Hook Mystery. 1st world ed. Severn House, 2009.

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