Hurd, P. D. H. (1969). New directions in teaching secondary school science. Rand McNally.
Chicago Style (17th ed.) CitationHurd, Paul De Hart. New Directions in Teaching Secondary School Science. Chicago: Rand McNally, 1969.
MLA (8th ed.) CitationHurd, Paul De Hart. New Directions in Teaching Secondary School Science. Rand McNally, 1969.
Warning: These citations may not always be 100% accurate.