APA Style

Blyth, F.G.H., Freitas, M.H. de. (1977). A Geology for Engineers, sixth edition . London: Edward Arnold (Publishers) Limited.

Chicago Style

Blyth, F.G.H., Freitas, M.H. de. A Geology for Engineers, sixth edition. London: Edward Arnold (Publishers) Limited, 1977. Text.

MLA Style

Blyth, F.G.H., Freitas, M.H. de. A Geology for Engineers, sixth edition. London: Edward Arnold (Publishers) Limited, 1977. Text.

Turabian Style

Blyth, F.G.H., Freitas, M.H. de. A Geology for Engineers, sixth edition. London: Edward Arnold (Publishers) Limited, 1977. Print.