APA (7e ed.) Bronvermelding

(1985). The New York times guide to the return of Halley's comet. Times.

Chicago (17e ed.) Bronvermelding

The New York Times Guide to the Return of Halley's Comet. New York: Times, 1985.

MLA (9e ed.) Bronvermelding

The New York Times Guide to the Return of Halley's Comet. Times, 1985.