APA Style

Blyth, F.G.H., De Freitas, M.H.. (1974). A Geology for engineers (6). London: THE ENGLISH LANGUAGE BOOK SOCIETY.

Chicago Style

Blyth, F.G.H., De Freitas, M.H.. A Geology for engineers. 6 London: THE ENGLISH LANGUAGE BOOK SOCIETY, 1974. Text.

MLA Style

Blyth, F.G.H., De Freitas, M.H.. A Geology for engineers. 6 London: THE ENGLISH LANGUAGE BOOK SOCIETY, 1974. Text.

Turabian Style

Blyth, F.G.H., De Freitas, M.H.. A Geology for engineers. 6 London: THE ENGLISH LANGUAGE BOOK SOCIETY, 1974. Print.