APA
British Constructional Steelwork Association, Steel Construction Institute, . (19). Joints in simple construction. London: Steel Construction Institute.
Chicago
British Constructional Steelwork Association, Steel Construction Institute, . 19. Joints in simple construction. London: Steel Construction Institute.
Harvard
British Constructional Steelwork Association, Steel Construction Institute, . (19). Joints in simple construction. London: Steel Construction Institute.
MLA
British Constructional Steelwork Association, Steel Construction Institute, . Joints in simple construction. London: Steel Construction Institute. 19.