Library of Congress. Congressional Research Service & ProQuest (Firm). (2004). "Junk E-Mail": An Overview of the Issues Concerning Commercial Electronic Mail and "Spam". [publisher not identified].
Chicago Style (17th ed.) CitationLibrary of Congress. Congressional Research Service and ProQuest (Firm). "Junk E-Mail": An Overview of the Issues Concerning Commercial Electronic Mail and "Spam". [Place of publication not identified]: [publisher not identified], 2004.
MLA (9th ed.) CitationLibrary of Congress. Congressional Research Service and ProQuest (Firm). "Junk E-Mail": An Overview of the Issues Concerning Commercial Electronic Mail and "Spam". [publisher not identified], 2004.
Warning: These citations may not always be 100% accurate.