Carnegie beam sections :
profiles, properties and safe loads for new series of structural steel beams and column sections.

APA Citation

Carnegie Steel Company. (1927). Carnegie beam sections: profiles, properties and safe loads for new series of structural steel beams and column sections. Pittsburgh: Carnegie steel co..

MLA Citation

Carnegie Steel Company. Carnegie Beam Sections: Profiles, Properties And Safe Loads for New Series of Structural Steel Beams And Column Sections. Pittsburgh: Carnegie steel co., 1927.

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