APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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