APA (7th ed.) Citation

Library of Congress. Congressional Research Service & ProQuest (Firm). (1972). Gun Control in the United States: Selected References. [publisher not identified].

Chicago Style (17th ed.) Citation

Library of Congress. Congressional Research Service and ProQuest (Firm). Gun Control in the United States: Selected References. [Place of publication not identified]: [publisher not identified], 1972.

MLA (9th ed.) Citation

Library of Congress. Congressional Research Service and ProQuest (Firm). Gun Control in the United States: Selected References. [publisher not identified], 1972.

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