APA (7th ed.) Citation

Library of Congress. Congressional Research Service & Vajs, K. M. (1981). El Salvador: Selected references. Library of Congress, Congressional Research Service.

Chicago Style (17th ed.) Citation

Library of Congress. Congressional Research Service and Kristin M. Vajs. El Salvador: Selected References. [Washington, DC]: Library of Congress, Congressional Research Service, 1981.

MLA (9th ed.) Citation

Library of Congress. Congressional Research Service and Kristin M. Vajs. El Salvador: Selected References. Library of Congress, Congressional Research Service, 1981.