APA (7th ed.) Citation

Clarke, A. C. (1960). Interplanetary flight: An introduction to astronautics ([2d ed.].). Harper.

Chicago Style (17th ed.) Citation

Clarke, Arthur C. Interplanetary Flight: An Introduction to Astronautics. [2d ed.]. New York: Harper, 1960.

MLA (9th ed.) Citation

Clarke, Arthur C. Interplanetary Flight: An Introduction to Astronautics. [2d ed.]. Harper, 1960.