APA (7th ed.) Citation

Heimlich, J. E., Daudi, S. S., & Cummins, H. (1996). EETAP Resource Library Information Sheets for Environmental Education Resources, Numbers 1-9.

Chicago Style (17th ed.) Citation

Heimlich, Joe E., Sabiha S. Daudi, and Hapi Cummins. EETAP Resource Library Information Sheets for Environmental Education Resources, Numbers 1-9. 1996.

MLA (9th ed.) Citation

Heimlich, Joe E., et al. EETAP Resource Library Information Sheets for Environmental Education Resources, Numbers 1-9. 1996.