Cita APA (7a ed.)

O'Reilly, R. M. (1909). Envelope, To: "Miss Mary O'Reilly, Overbrook P.O. Montgomery County, Pennsylvania," August 1, 1909.

Cita Chicago Style (17a ed.)

O'Reilly, Robert M. Envelope, To: "Miss Mary O'Reilly, Overbrook P.O. Montgomery County, Pennsylvania," August 1, 1909. 1909.

Cita MLA (8a ed.)

O'Reilly, Robert M. Envelope, To: "Miss Mary O'Reilly, Overbrook P.O. Montgomery County, Pennsylvania," August 1, 1909. 1909.

Precaución: Estas citas no son 100% exactas.