APA (7th ed.) Citation

Wray, D. A. (1930). The geology of the country around Huddersfield and Halifax: Explanation of sheet 77. printed under the authority of H.M.S.O..

Chicago Style (17th ed.) Citation

Wray, D. A. The Geology of the Country Around Huddersfield and Halifax: Explanation of Sheet 77. London: printed under the authority of H.M.S.O., 1930.

MLA (8th ed.) Citation

Wray, D. A. The Geology of the Country Around Huddersfield and Halifax: Explanation of Sheet 77. printed under the authority of H.M.S.O., 1930.