APA-referens (7:e uppl.)

(1899). Note and Newspaper Clipping, To: Robert O'Reilly, March 25, 1899.

Chicago-referens (17:e uppl.)

Note and Newspaper Clipping, To: Robert O'Reilly, March 25, 1899. 1899.

MLA-referens (8:e uppl.)

Note and Newspaper Clipping, To: Robert O'Reilly, March 25, 1899. 1899.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.