A Citizen's guide to radon :
the guide to protecting yourself and your family from radon.

APA Citation

United States. Environmental Protection Agency. (1992). A Citizen's guide to radon: the guide to protecting yourself and your family from radon. 2nd ed. [Washington, DC]: U.S. Environmental Protection Agency .

MLA Citation

United States. Environmental Protection Agency. A Citizen's Guide to Radon: the Guide to Protecting Yourself And Your Family From Radon. 2nd ed. [Washington, DC]: U.S. Environmental Protection Agency , 1992.

Warning: These citations may not always be complete (especially for serials).