Wright, W. (1950). On aproposal to use the extragalactic nebulae in measuring the proper motions of stars, and in evaluating the precessional constant. American Philosophical Society.
Chicago Style (17th ed.) CitationWright, W.H. On Aproposal to Use the Extragalactic Nebulae in Measuring the Proper Motions of Stars, and in Evaluating the Precessional Constant. Philadelphia: American Philosophical Society, 1950.
MLA (9th ed.) CitationWright, W.H. On Aproposal to Use the Extragalactic Nebulae in Measuring the Proper Motions of Stars, and in Evaluating the Precessional Constant. American Philosophical Society, 1950.
Warning: These citations may not always be 100% accurate.