Grewing, M. E., Praderie, F. E., & Reinhard, R. E. (1987). Exploration of Halley`s comet.
Chicago Edition CitationGrewing, M; Editor, F; Editor Praderie, and R; Editor Reinhard. Exploration of Halley`s Comet. New York, Springer-Verlag, 1987.
MLA Edition CitationGrewing, M; Editor, et al. Exploration of Halley`s Comet. 1987.
Warning: These citations may not always be 100% accurate.