Style de citation APA

Raistric, A. (1939). Nature and origin of coal and coal seams. The English University press.

Style de citation Chicago

Raistric, A. Nature and Origin of Coal and Coal Seams. LOndon: The English University press, 1939.

Style de citation MLA

Raistric, A. Nature and Origin of Coal and Coal Seams. The English University press, 1939.