Citazione Stile APA (7a Edizione)
Hansen, J. M. V. (1933). The period comet Comas Solá (1926 f) at its return in the year 1935: With some remarks about the method of direct integration in co-ordinates and the method of perturbations. Levin & Munksgaard.
Citazione stile Chigago Style (17a edizione)
Hansen, Julie Marie Vinter. The Period Comet Comas Solá (1926 F) at Its Return in the Year 1935: With Some Remarks About the Method of Direct Integration in Co-ordinates and the Method of Perturbations. København: Levin & Munksgaard, 1933.
Citatione MLA (9a ed.)
Hansen, Julie Marie Vinter. The Period Comet Comas Solá (1926 F) at Its Return in the Year 1935: With Some Remarks About the Method of Direct Integration in Co-ordinates and the Method of Perturbations. Levin & Munksgaard, 1933.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.