Shipman, H. L. (1980). Black holes, quasars, and the universe (2. ed.). Houghton Mifflin.
Chicago Style (17th ed.) CitationShipman, Harry L. Black Holes, Quasars, and the Universe. 2. ed. Boston: Houghton Mifflin, 1980.
MLA (9th ed.) CitationShipman, Harry L. Black Holes, Quasars, and the Universe. 2. ed. Houghton Mifflin, 1980.
Warning: These citations may not always be 100% accurate.