APA (7th ed.) Citation

Blyth, F. G. H., & De Freitas, M. H. (1984). A Geology for engineers (7th ed.). Elsevier Science Publishing.

Chicago Style (17th ed.) Citation

Blyth, Francis George Henry, and M. H. De Freitas. A Geology for Engineers. 7th ed. New York: Elsevier Science Publishing, 1984.

MLA (9th ed.) Citation

Blyth, Francis George Henry, and M. H. De Freitas. A Geology for Engineers. 7th ed. Elsevier Science Publishing, 1984.