T Jeffery Parker & Williams A Haswell. (1956). A Textbook of Zoology (6th.). London.
Chicago Edition CitationT Jeffery Parker and Williams A Haswell. A Textbook of Zoology. 6th. London, 1956.
MLA Edition CitationT Jeffery Parker and Williams A Haswell. A Textbook of Zoology. 6th. London, 1956.
Warning: These citations may not always be 100% accurate.