APA (7e ed.) Bronvermelding

Não informado. (2004). Knowledge: An illustrated magazine of science. [s.n.].

Chicago (17e ed.) Bronvermelding

Não informado. Knowledge: An Illustrated Magazine of Science. [s.l.]: [s.n.], 2004.

MLA (8e ed.) Bronvermelding

Não informado. Knowledge: An Illustrated Magazine of Science. [s.n.], 2004.

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