APA (7th ed.) Citation

Jones, D. I. E., Gill, H., & Watson, J. L. (1991). Spon's quarry guide to the British hard rock industry. Spon.

Chicago Style (17th ed.) Citation

Jones, D. I. E., H. Gill, and J. L. Watson. Spon's Quarry Guide to the British Hard Rock Industry. London: Spon, 1991.

MLA (9th ed.) Citation

Jones, D. I. E., et al. Spon's Quarry Guide to the British Hard Rock Industry. Spon, 1991.