Germany's secret armaments
MLA
Klotz, Helmuth, and H. J Stenning. Germany's Secret Armaments. London: Jarrolds, limited, 1934
APA, 7th edition
Klotz, H., & Stenning, H. J. (1934). Germany's secret armaments. London: Jarrolds, limited
Chicago, 17th edition
Klotz, Helmuth, and H. J Stenning. Germany's secret armaments. London: Jarrolds, limited, 1934