Cita APA (7th ed.)

Smyth W. W. Warington Wilkinson. (1872). A rudimentary treatise on coal and coal-mining (Second edition, revised and corrected.). London, Lockwood & Co, 1872.

Cita Chicago (17th ed.)

Smyth W. W. Warington Wilkinson. A Rudimentary Treatise on Coal and Coal-mining. Second edition, revised and corrected. London, Lockwood & Co, 1872, 1872.

Cita MLA (9th ed.)

Smyth W. W. Warington Wilkinson. A Rudimentary Treatise on Coal and Coal-mining. Second edition, revised and corrected. London, Lockwood & Co, 1872, 1872.