Cita APA (7a ed.)

American Institute of Steel Construction. (1970). Manual of steel construction (7th ed.). National Book Store.

Cita Chicago Style (17a ed.)

American Institute of Steel Construction. Manual of Steel Construction. 7th ed. Manila: National Book Store, 1970.

Cita MLA (9a ed.)

American Institute of Steel Construction. Manual of Steel Construction. 7th ed. National Book Store, 1970.