APA引文

Gordon, R. B. (2019). American Iron, 1607-1900. Johns Hopkins University Press.

Chicago Style (17th ed.) Citation

Gordon, Robert B. American Iron, 1607-1900. Baltimore, Md.: Johns Hopkins University Press, 2019.

MLA引文

Gordon, Robert B. American Iron, 1607-1900. Johns Hopkins University Press, 2019.