APA (7th ed.) Citation

Cohen, S. L. (1965). Viking fortresses of the Trelleborg type. Rosenkilde & Bagger.

Chicago Style (17th ed.) Citation

Cohen, Sidney L. Viking Fortresses of the Trelleborg Type. Copenhagen: Rosenkilde & Bagger, 1965.

MLA (9th ed.) Citation

Cohen, Sidney L. Viking Fortresses of the Trelleborg Type. Rosenkilde & Bagger, 1965.

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