APA (7th ed.) Citation

Roberts, J. (2017). Killer butterflies: Combat, psychology and morale in the British 19th (Western) Division 1915-18. Helion & Company Limited.

Chicago Style (17th ed.) Citation

Roberts, James. Killer Butterflies: Combat, Psychology and Morale in the British 19th (Western) Division 1915-18. Solihull, West Midlands, England: Helion & Company Limited, 2017.

MLA (9th ed.) Citation

Roberts, James. Killer Butterflies: Combat, Psychology and Morale in the British 19th (Western) Division 1915-18. Helion & Company Limited, 2017.