Cita APA (7a ed.)
Tony Waltham, F. G. B. Sinkholes and Subsidence: Karst and Cavernous Rocks in Engineering and Construction. Springer.
Cita estilo Chicago (17a ed.)
Tony Waltham, Fred G. Bell. Sinkholes and Subsidence: Karst and Cavernous Rocks in Engineering and Construction. Berlín, Alemania: Springer.
Cita MLA (9a ed.)
Tony Waltham, Fred G. Bell. Sinkholes and Subsidence: Karst and Cavernous Rocks in Engineering and Construction. Springer.
Precaución: Estas citas no son 100% exactas.