Kapteyn, J. C. (1914). The proper motions of 3714 stars derived from plates taken at the observatories of Helsingfors and Cape of Good Hope, by J. C. Kapteyn with the cooperation of H. Weersma. Hoitsema Brothers.
Chicago Style (17th ed.) CitationKapteyn, Jacobus C. The Proper Motions of 3714 Stars Derived from Plates Taken at the Observatories of Helsingfors and Cape of Good Hope, by J. C. Kapteyn with the Cooperation of H. Weersma. Groningen: Hoitsema Brothers, 1914.
MLA (9th ed.) CitationKapteyn, Jacobus C. The Proper Motions of 3714 Stars Derived from Plates Taken at the Observatories of Helsingfors and Cape of Good Hope, by J. C. Kapteyn with the Cooperation of H. Weersma. Hoitsema Brothers, 1914.
Warning: These citations may not always be 100% accurate.