APA Citation

Preston, R. (1991). American steel. New York: Prentice Hall Press.

Trích dẫn kiểu Chicago

Preston, Richard. American Steel. New York: Prentice Hall Press, 1991.

MLA Citation

Preston, Richard. American Steel. New York: Prentice Hall Press, 1991.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.