Unwin, D. M. (1988). A key to the families of British coleoptera and strepsiptera / D.M. Unwin ([Rev. ed.].). Field Studies Council.
Chicago Style (17th ed.) CitationUnwin, Dennis M. A Key to the Families of British Coleoptera and Strepsiptera / D.M. Unwin. [Rev. ed.]. Taunton: Field Studies Council, 1988.
MLA (9th ed.) CitationUnwin, Dennis M. A Key to the Families of British Coleoptera and Strepsiptera / D.M. Unwin. [Rev. ed.]. Field Studies Council, 1988.
Warning: These citations may not always be 100% accurate.