APA (7th ed.) Citation

Tubbs, F. R., & Clawson, R. W. (2000). Stahlhelm: Evolution of the German steel helmet (Rev. and expanded ed.). Kent State University Press.

Chicago Style (17th ed.) Citation

Tubbs, Floyd R., and Robert W. Clawson. Stahlhelm: Evolution of the German Steel Helmet. Rev. and expanded ed. Kent, Ohio: Kent State University Press, 2000.

MLA (9th ed.) Citation

Tubbs, Floyd R., and Robert W. Clawson. Stahlhelm: Evolution of the German Steel Helmet. Rev. and expanded ed. Kent State University Press, 2000.