Shapley, H. (1960). Source book in astronomy 1900-1950 / edited by H. Shapley. Harvard University P.
Chicago Style (17th ed.) CitationShapley, H. Source Book in Astronomy 1900-1950 / Edited by H. Shapley. Harvard University P, 1960.
MLA (9th ed.) CitationShapley, H. Source Book in Astronomy 1900-1950 / Edited by H. Shapley. Harvard University P, 1960.
Warning: These citations may not always be 100% accurate.