APA (7th ed.) Citation

O'Reilly, R. M. Letter, To: "Dear Tom" From: "Your affectionate brother, Robert," [n.d.].

Chicago Style (17th ed.) Citation

O'Reilly, Robert M. Letter, To: "Dear Tom" From: "Your Affectionate Brother, Robert," [n.d.].

MLA (8th ed.) Citation

O'Reilly, Robert M. Letter, To: "Dear Tom" From: "Your Affectionate Brother, Robert," [n.d.].

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