APA (7th ed.) Citation

Smithells, C. J. (1950). Metals reference book. [s.n.].

Chicago Style (17th ed.) Citation

Smithells, Colin J. Metals Reference Book. [S.l.]: [s.n.], 1950.

MLA (9th ed.) Citation

Smithells, Colin J. Metals Reference Book. [s.n.], 1950.