Schaefer, L. M. (1972). An introduction to population, environment, and society: A three-to-five week unit for High School students. Education Services.
Chicago Style (17th ed.) CitationSchaefer, Lawrence M. An Introduction to Population, Environment, and Society: A Three-to-five Week Unit for High School Students. New Haven, Ct: Education Services, 1972.
MLA (9th ed.) CitationSchaefer, Lawrence M. An Introduction to Population, Environment, and Society: A Three-to-five Week Unit for High School Students. Education Services, 1972.
Warning: These citations may not always be 100% accurate.