Cita APA (7a ed.)

Blyth, F. G. H., & De Freitas, M. H. (1984). A geology for engineers (Seventh Edition.). Elsevier, Butterworth-Heinemann.

Cita Chicago Style (17a ed.)

Blyth, F. G. H., y M. H. De Freitas. A Geology for Engineers. Seventh Edition. Amsterdam ; Boston: Elsevier, Butterworth-Heinemann, 1984.

Cita MLA (8a ed.)

Blyth, F. G. H., y M. H. De Freitas. A Geology for Engineers. Seventh Edition. Elsevier, Butterworth-Heinemann, 1984.