Cita APA (7a ed.)

(1967). MANUAL of steel construction (6.ed.). American institute of steel cosntruction.

Cita Chicago Style (17a ed.)

MANUAL of Steel Construction. 6.ed. New York: American institute of steel cosntruction, 1967.

Cita MLA (9a ed.)

MANUAL of Steel Construction. 6.ed. American institute of steel cosntruction, 1967.