APA (7e ed.) Bronvermelding

Various. Harper's Young People, May 18, 1880 An Illustrated Weekly.

Chicago (17e ed.) Bronvermelding

Various. Harper's Young People, May 18, 1880 An Illustrated Weekly.

MLA (9e ed.) Bronvermelding

Various. Harper's Young People, May 18, 1880 An Illustrated Weekly.

Let op: Deze citaties zijn niet altijd 100% accuraat.