Logsdon, J. M., Day, D. A., & Launius, R. D. (1996). Exploring the unknown: Selected documents in the history of the U.S. civilian space program. National Aeronautics and Space Administration.
Chicago Style (17th ed.) CitationLogsdon, John M., Dwayne A. Day, and Roger D. Launius. Exploring the Unknown: Selected Documents in the History of the U.S. Civilian Space Program. Washington: National Aeronautics and Space Administration, 1996.
MLA (9th ed.) CitationLogsdon, John M., et al. Exploring the Unknown: Selected Documents in the History of the U.S. Civilian Space Program. National Aeronautics and Space Administration, 1996.
Warning: These citations may not always be 100% accurate.
