APA (7th ed.) Citation

(1958). Memorandum, Dell to de Zuleta, August 15, 1958, Top Secret.

Chicago Style (17th ed.) Citation

Memorandum, Dell to De Zuleta, August 15, 1958, Top Secret. 1958.

MLA (8th ed.) Citation

Memorandum, Dell to De Zuleta, August 15, 1958, Top Secret. 1958.

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