APA

Blyth F. G. H., De Freitas M. H., . (1984). A geology for engineers. New York: Elsevier.

Chicago

Blyth F G H, De Freitas M H, . 1984. A geology for engineers. New York: Elsevier.

Harvard

Blyth F. G. H., De Freitas M. H., . (1984). A geology for engineers. New York: Elsevier.

MLA

Blyth F G H, De Freitas M H, . A geology for engineers. New York: Elsevier. 1984.