APA (7th ed.) Citation

(1958). White House, Memorandum, High Altitude Balloon Reconnaissance Program, July 3, 1958, Top Secret.

Chicago Style (17th ed.) Citation

White House, Memorandum, High Altitude Balloon Reconnaissance Program, July 3, 1958, Top Secret. 1958.

MLA (8th ed.) Citation

White House, Memorandum, High Altitude Balloon Reconnaissance Program, July 3, 1958, Top Secret. 1958.

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