APA (7th ed.) Citation

Fosten, D. S. V., Marrion, R. J., & Embleton, G. A. (1978). The German Army 1914-18. Osprey Publ.

Chicago Style (17th ed.) Citation

Fosten, D. S. V., R. J. Marrion, and G. A. Embleton. The German Army 1914-18. London: Osprey Publ, 1978.

MLA (9th ed.) Citation

Fosten, D. S. V., et al. The German Army 1914-18. Osprey Publ, 1978.