APA (7th ed.) Citation

United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Science and Space. (2013). Challenges and Opportunities for Human Space Exploration. ProQuest.

Chicago Style (17th ed.) Citation

United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Science and Space. Challenges and Opportunities for Human Space Exploration. Bethesda, Md.: ProQuest, 2013.

MLA (9th ed.) Citation

United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Science and Space. Challenges and Opportunities for Human Space Exploration. ProQuest, 2013.

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