APA (7th ed.) Citation

Lordahl, E. (2000). History. German Concentration Camps : 1933 -1945;history, related philatelic material and system of registration of inmate mail.

Chicago Style (17th ed.) Citation

Lordahl, Erik. "History." German Concentration Camps : 1933 -1945;history, Related Philatelic Material and System of Registration of Inmate Mail 2000.

MLA (8th ed.) Citation

Lordahl, Erik. "History." German Concentration Camps : 1933 -1945;history, Related Philatelic Material and System of Registration of Inmate Mail, 2000.

Warning: These citations may not always be 100% accurate.