APA (7th ed.) Citation

Howells, M. F. (1978). Capel Curig and Betws-y-Coed : description of 1:25000 sheet SH75 / (by) M.F. Howells ... (et al.): Description of 1:25000 sheet SH75. H.M.S.O..

Chicago Style (17th ed.) Citation

Howells, M. F. Capel Curig and Betws-y-Coed : Description of 1:25000 Sheet SH75 / (by) M.F. Howells ... (et Al.): Description of 1:25000 Sheet SH75. London: H.M.S.O., 1978.

MLA (9th ed.) Citation

Howells, M. F. Capel Curig and Betws-y-Coed : Description of 1:25000 Sheet SH75 / (by) M.F. Howells ... (et Al.): Description of 1:25000 Sheet SH75. H.M.S.O., 1978.

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