APA (7th ed.) Citation

Allen, P. M., Jackson, A. A., & Dunkley, P. N. (1985). Geology of the country around Harlech : memoir for 1,50 000 geological sheet 135 with part of sheet 149, (England and Wales) / P.M. Allen and A.A. Jackson ; contributors, P.N. Dunkley ... (et al.): Memoir for 1,50 000 geological sheet 135 with part of sheet 149, (England and Wales). H.M.S.O..

Chicago Style (17th ed.) Citation

Allen, P. M., Audrey A. Jackson, and P. N. Dunkley. Geology of the Country Around Harlech : Memoir for 1,50 000 Geological Sheet 135 with Part of Sheet 149, (England and Wales) / P.M. Allen and A.A. Jackson ; Contributors, P.N. Dunkley ... (et Al.): Memoir for 1,50 000 Geological Sheet 135 with Part of Sheet 149, (England and Wales). London: H.M.S.O., 1985.

MLA (9th ed.) Citation

Allen, P. M., et al. Geology of the Country Around Harlech : Memoir for 1,50 000 Geological Sheet 135 with Part of Sheet 149, (England and Wales) / P.M. Allen and A.A. Jackson ; Contributors, P.N. Dunkley ... (et Al.): Memoir for 1,50 000 Geological Sheet 135 with Part of Sheet 149, (England and Wales). H.M.S.O., 1985.

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