Cita APA (7a ed.)

Bell, F. G. (2007). Engineering geology (2nd ed.). Butterworth-Heinemann.

Cita Chicago Style (17a ed.)

Bell, F. G. Engineering Geology. 2nd ed. Oxford ; Boston: Butterworth-Heinemann, 2007.

Cita MLA (9a ed.)

Bell, F. G. Engineering Geology. 2nd ed. Butterworth-Heinemann, 2007.