Blyth, F. (1963). A Geology For Engineers. The English Language Book Society.
Citazione stile Chigago Style (17a edizione)Blyth, F.G.H. A Geology For Engineers. London: The English Language Book Society, 1963.
Citatione MLA (9a ed.)Blyth, F.G.H. A Geology For Engineers. The English Language Book Society, 1963.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.