Steel in construction.
Convenient rules, formulæ and tables for the strength of steel shapes used as beams, struts, shafts, etc., made by the Pencoyd iron works, A. & P. Roberts company, Philadelphia ...

APA Citation

Pencoyd Iron Works., Christie, J. (1898). Steel in construction: Convenient rules, formulæ and tables for the strength of steel shapes used as beams, struts, shafts, etc., made by the Pencoyd iron works, A. & P. Roberts company, Philadelphia ... 10th ed. Philadelphia: Pencoyd Iron Works, A. & P. Roberts Co..

MLA Citation

Pencoyd Iron Works, and James Christie. Steel In Construction: Convenient Rules, Formulæ And Tables for the Strength of Steel Shapes Used As Beams, Struts, Shafts, Etc., Made by the Pencoyd Iron Works, A. & P. Roberts Company, Philadelphia ... 10th ed. Philadelphia: Pencoyd Iron Works, A. & P. Roberts Co., 1898.

Warning: These citations may not always be complete (especially for serials).