APA (7th ed.) Citation
Kitipornchai, S., Blinco, L., & Grummitt, S. (1991). Portal frame design charts. AISC.
Chicago Style (17th ed.) Citation
Kitipornchai, S., L.W Blinco, and S.E Grummitt. Portal Frame Design Charts. Milson Point: AISC, 1991.
MLA (9th ed.) Citation
Kitipornchai, S., et al. Portal Frame Design Charts. AISC, 1991.
Warning: These citations may not always be 100% accurate.