Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

Denis, John H., y Paul D. Aldridge. Space Exploration Research. Nova Science Publishers, 2009.