APA (7e ed.) Bronvermelding

Wilford, J. N. (1998). Scientists seeking for universe's missing energy. Today.

Chicago (17e ed.) Bronvermelding

Wilford, John Noble. "Scientists Seeking for Universe's Missing Energy." Today 1998.

MLA (9e ed.) Bronvermelding

Wilford, John Noble. "Scientists Seeking for Universe's Missing Energy." Today, 1998.

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