APA (7th ed.) Citation

United States. Congress. House. Committee on Science, Space, and Technology. Subcommittee on Space. (2013). Next Steps in Human Exploration to Mars and Beyond. ProQuest.

Chicago Style (17th ed.) Citation

United States. Congress. House. Committee on Science, Space, and Technology. Subcommittee on Space. Next Steps in Human Exploration to Mars and Beyond. Bethesda, Md.: ProQuest, 2013.

MLA (9th ed.) Citation

United States. Congress. House. Committee on Science, Space, and Technology. Subcommittee on Space. Next Steps in Human Exploration to Mars and Beyond. ProQuest, 2013.

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