APA (7th ed.) Citation

ebrary, Inc, Aldridge, P. D., & Denis, J. H. (2009). Space exploration research. Nova Science Publishers.

Chicago Style (17th ed.) Citation

ebrary, Inc, Paul D. Aldridge, and John H. Denis. Space Exploration Research. New York: Nova Science Publishers, 2009.

MLA (9th ed.) Citation

ebrary, Inc, et al. Space Exploration Research. Nova Science Publishers, 2009.