American Institute of Biological Sciences. (1964). High School biology: A laboratory block: Field ecology.
Chicago Edition CitationAmerican Institute of Biological Sciences. High School Biology: A Laboratory Block: Field Ecology. D C Heath & Co., Boston, 1964.
MLA Edition CitationAmerican Institute of Biological Sciences. High School Biology: A Laboratory Block: Field Ecology. 1964.
Warning: These citations may not always be 100% accurate.