APA (7th ed.) Citation

Murray, J. W. (1981). A guide to classification in geology. Horwood [u.a.].

Chicago Style (17th ed.) Citation

Murray, John W. A Guide to Classification in Geology. Chichester: Horwood [u.a.], 1981.

MLA (9th ed.) Citation

Murray, John W. A Guide to Classification in Geology. Horwood [u.a.], 1981.