Blake. (1989). Civil engineer's reference book (4th ed.). Butterworths.
Chicago Style (17th ed.) CitationBlake. Civil Engineer's Reference Book. 4th ed. London Boston: Butterworths, 1989.
MLA (8th ed.) CitationBlake. Civil Engineer's Reference Book. 4th ed. Butterworths, 1989.
Warning: These citations may not always be 100% accurate.