APA-referens (7:e uppl.)
Schmitt, H. H. (2006). Return to the Moon: Exploration, Enterprise, and Energy in the Human Settlement of Space. Springer New York. https://doi.org/10.1007/0-387-31064-9
Chicago-referens (17:e uppl.)
Schmitt, Harrison H. Return to the Moon: Exploration, Enterprise, and Energy in the Human Settlement of Space. New York, NY: Springer New York, 2006. https://doi.org/10.1007/0-387-31064-9.
MLA-referens (9:e uppl.)
Schmitt, Harrison H. Return to the Moon: Exploration, Enterprise, and Energy in the Human Settlement of Space. Springer New York, 2006. https://doi.org/10.1007/0-387-31064-9.
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