Cita APA

Flaste, R., & Flaste, R. (1985). The New York Times guide to the return of Halley's comet. New York, New York: Times Books.

Citación estilo Chicago

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

Cita MLA

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