SpringerLink (Online service) & Geppert, A. C. (2018). Imagining Outer Space: European Astroculture in the Twentieth Century (2nd ed. 2018.). Palgrave Macmillan UK : Imprint: Palgrave Macmillan. https://doi.org/10.1057/978-1-349-95339-4
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service) και Alexander C.T Geppert. Imagining Outer Space: European Astroculture in the Twentieth Century. 2nd ed. 2018. London: Palgrave Macmillan UK : Imprint: Palgrave Macmillan, 2018. https://doi.org/10.1057/978-1-349-95339-4.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service) και Alexander C.T Geppert. Imagining Outer Space: European Astroculture in the Twentieth Century. 2nd ed. 2018. Palgrave Macmillan UK : Imprint: Palgrave Macmillan, 2018. https://doi.org/10.1057/978-1-349-95339-4.
