Gaya APA

E-book The Space Book Revised and Updated: From the Beginning to the End of Time, 250 Milestones in the History of Space & Astronomy. (2018). New York: Sterling.

Gaya MLA

E-book The Space Book Revised and Updated: From the Beginning to the End of Time, 250 Milestones in the History of Space & Astronomy. . New York: Sterling, 2018. Text.