APA Citation

Johnson, L., & Roy, K. Interstellar travel: Propulsion, life support, communications, and the long journey.

Chicago Style Citation

Johnson, Les, and Kenneth Roy. Interstellar Travel: Propulsion, Life Support, Communications, and the Long Journey.

MLA Citation

Johnson, Les, and Kenneth Roy. Interstellar Travel: Propulsion, Life Support, Communications, and the Long Journey.

Warning: These citations may not always be 100% accurate.