Cita APA

Loudon, T. V., & Loudon, T. V. (1979). Computer methods in geology. London, Sydney: Academic.

Citación estilo Chicago

Loudon, T. V., y T. V. Loudon. Computer Methods in Geology. London, Sydney: Academic, 1979.

Cita MLA

Loudon, T. V., y T. V. Loudon. Computer Methods in Geology. London, Sydney: Academic, 1979.