APA (7th ed.) Citation

Smith, D. B. (1994). Geology of the country around Sunderland : memoir for 1:50 000 geological sheet 21 (England and Wales) / D.B. Smith: Memoir for 1:50 000 geological sheet 21 (England and Wales). HMSO.

Chicago Style (17th ed.) Citation

Smith, D. B. Geology of the Country Around Sunderland : Memoir for 1:50 000 Geological Sheet 21 (England and Wales) / D.B. Smith: Memoir for 1:50 000 Geological Sheet 21 (England and Wales). London: HMSO, 1994.

MLA (9th ed.) Citation

Smith, D. B. Geology of the Country Around Sunderland : Memoir for 1:50 000 Geological Sheet 21 (England and Wales) / D.B. Smith: Memoir for 1:50 000 Geological Sheet 21 (England and Wales). HMSO, 1994.

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