Zehr, J., Gross, M., & Zimmerman, R. (1991). Creating environmental publications: A guide to writing and designing for interpreters and environmental educators. UW-SP Foundation Press, University of Wisconsin.
Chicago Style (17th ed.) CitationZehr, Jeffrey, Michael Gross, and Ronald Zimmerman. Creating Environmental Publications: A Guide to Writing and Designing for Interpreters and Environmental Educators. Stevens Point, Wis.: UW-SP Foundation Press, University of Wisconsin, 1991.
MLA (8th ed.) CitationZehr, Jeffrey, et al. Creating Environmental Publications: A Guide to Writing and Designing for Interpreters and Environmental Educators. UW-SP Foundation Press, University of Wisconsin, 1991.
Warning: These citations may not always be 100% accurate.