Cita APA

Roger Smith. (1999). Encyclopaedia of geology. Fitzroy Dearborn pub.

Citación estilo Chicago

Roger Smith. Encyclopaedia of Geology. London: Fitzroy Dearborn pub, 1999.

Cita MLA

Roger Smith. Encyclopaedia of Geology. Fitzroy Dearborn pub, 1999.

Warning: These citations may not always be 100% accurate.