Cita APA (7a ed.)

Simpson, J. B. (1900). Capital and labour in coal mining during the past two hundred years. R. Robinson.

Cita Chicago Style (17a ed.)

Simpson, John Bell. Capital and Labour in Coal Mining During the Past Two Hundred Years. Newcastle-upon-Tyre: R. Robinson, 1900.

Cita MLA (8a ed.)

Simpson, John Bell. Capital and Labour in Coal Mining During the Past Two Hundred Years. R. Robinson, 1900.