APA Edition Citation

John & gribbin,mary. (1977). Halley in 90 minutes. University Press.

Chicago Edition Citation

John and gribbin,mary. Halley in 90 Minutes. Hyderabad: University Press, 1977.

MLA Edition Citation

John and gribbin,mary. Halley in 90 Minutes. University Press, 1977.

Warning: These citations may not always be 100% accurate.