Cita APA (7a ed.)

Sallas, G. A. (1965). Labor law and practice in Spain. U.S. Dept. of Labor, Bureau of Labor Statistics : [For sale by the Supt. of Docs., U.S. G.P.O.].

Cita Chicago Style (17a ed.)

Sallas, Gustav Adolph. Labor Law and Practice in Spain. [Washington, D.C.]: U.S. Dept. of Labor, Bureau of Labor Statistics : [For sale by the Supt. of Docs., U.S. G.P.O.], 1965.

Cita MLA (8a ed.)

Sallas, Gustav Adolph. Labor Law and Practice in Spain. U.S. Dept. of Labor, Bureau of Labor Statistics : [For sale by the Supt. of Docs., U.S. G.P.O.], 1965.