APA (7e ed.) Bronvermelding

Não informado. (1972). Mercury. Astronomical Society of the Pacific.

Chicago (17e ed.) Bronvermelding

Não informado. Mercury. San Francisco, Calif: Astronomical Society of the Pacific, 1972.

MLA (8e ed.) Bronvermelding

Não informado. Mercury. Astronomical Society of the Pacific, 1972.

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