O'Reilly, R. M. (1909). Postcard, To: Miss Mary O'Reilly, Washington, D.C., March 3, 1909.
Chicago Style (17th ed.) CitationO'Reilly, Robert M. Postcard, To: Miss Mary O'Reilly, Washington, D.C., March 3, 1909. 1909.
MLA (8th ed.) CitationO'Reilly, Robert M. Postcard, To: Miss Mary O'Reilly, Washington, D.C., March 3, 1909. 1909.
Warning: These citations may not always be 100% accurate.