APA (7th ed.) Citation

Institute of Geological Sciences & Howells, M. F. (1981). Dolgarrog : description of 1:25000 sheet SH76 / M.F. Howells ... (et al.): Description of 1:25000 sheet SH76. H.M.S.O..

Chicago Style (17th ed.) Citation

Institute of Geological Sciences and M. F. Howells. Dolgarrog : Description of 1:25000 Sheet SH76 / M.F. Howells ... (et Al.): Description of 1:25000 Sheet SH76. London: H.M.S.O., 1981.

MLA (9th ed.) Citation

Institute of Geological Sciences and M. F. Howells. Dolgarrog : Description of 1:25000 Sheet SH76 / M.F. Howells ... (et Al.): Description of 1:25000 Sheet SH76. H.M.S.O., 1981.

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