Other worlds :
the solar system and beyond /
James Trefil ; foreword by David H. Levy
APA Citation
Trefil, J. S. (1999). Other worlds: the solar system and beyond. Washington, DC: National Geographic Society.
MLA Citation
Trefil, James S., 1938-. Other Worlds: the Solar System And Beyond. Washington, DC: National Geographic Society, 1999.
Warning: These citations may not always be complete (especially for serials).