APA (7e ed.) Bronvermelding

Não informado. (1872). Publishers Weekly. Publishers Board of Trade.

Chicago (17e ed.) Bronvermelding

Não informado. Publishers Weekly. New York: Publishers Board of Trade, 1872.

MLA (8e ed.) Bronvermelding

Não informado. Publishers Weekly. Publishers Board of Trade, 1872.

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