APA (7th ed.) Citation

Cratchley, C. R., & Jones, G. P. (1965). An interpretation of the geology and gravity anomalies of the Benue Valley, Nigeria. HMSO.

Chicago Style (17th ed.) Citation

Cratchley, Charles Roger, and G. P. Jones. An Interpretation of the Geology and Gravity Anomalies of the Benue Valley, Nigeria. London: HMSO, 1965.

MLA (9th ed.) Citation

Cratchley, Charles Roger, and G. P. Jones. An Interpretation of the Geology and Gravity Anomalies of the Benue Valley, Nigeria. HMSO, 1965.