APA Zitierstil

(1958). Memorandum, Cumming to The Secretary, Balloon Project, July 29, 1958, Top Secret.

Chicago Zitierstil

Memorandum, Cumming to The Secretary, Balloon Project, July 29, 1958, Top Secret. 1958.

MLA Zitierstil

Memorandum, Cumming to The Secretary, Balloon Project, July 29, 1958, Top Secret. 1958.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.