APA (7th ed.) Citation

Library of Congress. Legislative Reference Service & ProQuest (Firm). (1927). Documents illustrative of the formation of the Union of the American States. [publisher not identified].

Chicago Style (17th ed.) Citation

Library of Congress. Legislative Reference Service and ProQuest (Firm). Documents Illustrative of the Formation of the Union of the American States. Washington: [publisher not identified], 1927.

MLA (9th ed.) Citation

Library of Congress. Legislative Reference Service and ProQuest (Firm). Documents Illustrative of the Formation of the Union of the American States. [publisher not identified], 1927.