Cita APA

Jeffery, P. G., & Jeffery, P. G. (1975). Chemical methods of rock analysis (2. edition.). Oxford: Pergamon Press.

Citación estilo Chicago

Jeffery, Paul Geoffrey, y Paul Geoffrey Jeffery. Chemical Methods of Rock Analysis. 2. edition. Oxford: Pergamon Press, 1975.

Cita MLA

Jeffery, Paul Geoffrey, y Paul Geoffrey Jeffery. Chemical Methods of Rock Analysis. 2. edition. Oxford: Pergamon Press, 1975.