APA (7th ed.) Citation

Holt, T., & Holt, V. (1993). Battlefields of the First World War: A traveller's guide (1. publ.). Pavilion.

Chicago Style (17th ed.) Citation

Holt, Tonie, and Valmai Holt. Battlefields of the First World War: A Traveller's Guide. 1. publ. London: Pavilion, 1993.

MLA (9th ed.) Citation

Holt, Tonie, and Valmai Holt. Battlefields of the First World War: A Traveller's Guide. 1. publ. Pavilion, 1993.