Library of Congress. Legislative Reference Service & ProQuest (Firm). (1968). Guide to Sources of Information on Aeronautics and Space: A Selected List. [publisher not identified].
Chicago Style (17th ed.) CitationLibrary of Congress. Legislative Reference Service and ProQuest (Firm). Guide to Sources of Information on Aeronautics and Space: A Selected List. [Place of publication not identified]: [publisher not identified], 1968.
MLA (9th ed.) CitationLibrary of Congress. Legislative Reference Service and ProQuest (Firm). Guide to Sources of Information on Aeronautics and Space: A Selected List. [publisher not identified], 1968.
Warning: These citations may not always be 100% accurate.