APA (7th ed.) Citation

Cave, R., & Hains, B. A. (1986). Geology of the country between Aberystwyth and Machynlleth : memoir for 1:50,000 geological sheet 163 (England & Wales) / R. Cave and B.A. Hains: Memoir for 1:50,000 geological sheet 163 (England & Wales). Natural Environment Research Council.

Chicago Style (17th ed.) Citation

Cave, R., and B. A. Hains. Geology of the Country Between Aberystwyth and Machynlleth : Memoir for 1:50,000 Geological Sheet 163 (England & Wales) / R. Cave and B.A. Hains: Memoir for 1:50,000 Geological Sheet 163 (England & Wales). Natural Environment Research Council, 1986.

MLA (9th ed.) Citation

Cave, R., and B. A. Hains. Geology of the Country Between Aberystwyth and Machynlleth : Memoir for 1:50,000 Geological Sheet 163 (England & Wales) / R. Cave and B.A. Hains: Memoir for 1:50,000 Geological Sheet 163 (England & Wales). Natural Environment Research Council, 1986.

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