Cita APA (7a ed.)

Bell, F. G. (1983). Engineering properties of soils and rocks (2nd ed.). Butterworths.

Cita Chicago Style (17a ed.)

Bell, F. G. Engineering Properties of Soils and Rocks. 2nd ed. London [etc.]: Butterworths, 1983.

Cita MLA (9a ed.)

Bell, F. G. Engineering Properties of Soils and Rocks. 2nd ed. Butterworths, 1983.

Precaución: Estas citas no son 100% exactas.