APA Edition Citation

Blyth, F. G. H., & Freitas, M. H. d. (2006). Geology for Engineers (7.).

Chicago Edition Citation

Blyth, F G H., and M H de Freitas. Geology for Engineers. 7. Amsterdan, Elsevier, 2006.

MLA Edition Citation

Blyth, F G H., and M H de Freitas. Geology for Engineers. 7. 2006.