APA (7th ed.) Citation

Hudnut, J. (1969). A history of iron and steel construction in architecture.

Chicago Style (17th ed.) Citation

Hudnut, Joseph. A History of Iron and Steel Construction in Architecture. 1969.

MLA (9th ed.) Citation

Hudnut, Joseph. A History of Iron and Steel Construction in Architecture. 1969.

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