Yapp, W. . . . . . . . B. (1972). Production, pollution, protection. Wykeham Publications (London) Ltd.
Chicago Style (17th ed.) CitationYapp, W B. Production, Pollution, Protection. London: Wykeham Publications (London) Ltd, 1972.
MLA (9th ed.) CitationYapp, W B. Production, Pollution, Protection. Wykeham Publications (London) Ltd, 1972.
Warning: These citations may not always be 100% accurate.