APA (7th ed.) Citation

Ham, S. H. (1992). Barriers to Environmental Education in Elementary Schools--Implications for Libraries.

Chicago Style (17th ed.) Citation

Ham, Sam H. Barriers to Environmental Education in Elementary Schools--Implications for Libraries. 1992.

MLA (9th ed.) Citation

Ham, Sam H. Barriers to Environmental Education in Elementary Schools--Implications for Libraries. 1992.

Warning: These citations may not always be 100% accurate.