APA (7th ed.) Citation

Launius, R. D. (2004). Frontiers of space exploration (2nd ed.). Greenwood Press. https://doi.org/10.5040/9798400655043

Chicago Style (17th ed.) Citation

Launius, Roger D. Frontiers of Space Exploration. 2nd ed. Westport, Conn.: Greenwood Press, 2004. https://doi.org/10.5040/9798400655043.

MLA (9th ed.) Citation

Launius, Roger D. Frontiers of Space Exploration. 2nd ed. Greenwood Press, 2004. https://doi.org/10.5040/9798400655043.