APA (7th ed.) Citation

Hunger, H., Yau, K. К. С., Walker, C. B. F., Stephenson, F. R., & Stephenson, F. R. (1985). Halley's Comet in History.

Chicago Style (17th ed.) Citation

Hunger, Hermann, Kevin К. С Yau, Christoper B. F. Walker, F. Richard Stephenson, and F. R. Stephenson. Halley's Comet in History. London, 1985.

MLA (8th ed.) Citation

Hunger, Hermann, et al. Halley's Comet in History. 1985.