APA (7th ed.) Citation
Fraknoi, A., Morrison, D., & Wolff, S. Voyages to the Stars and Galaxies (3a edición.). Thomson : Brooks Cole.
Chicago Style (17th ed.) Citation
Fraknoi, Andrew, David Morrison, and Sidney Wolff. Voyages to the Stars and Galaxies. 3a edición. Belmont, EUA: Thomson : Brooks Cole.
MLA (9th ed.) Citation
Fraknoi, Andrew, et al. Voyages to the Stars and Galaxies. 3a edición. Thomson : Brooks Cole.
Warning: These citations may not always be 100% accurate.