APA (7th ed.) Citation

Beaumont, E., Bon, P., & Bucsek, N. (2002). El universo. Fleurus.

Chicago Style (17th ed.) Citation

Beaumont, Emilie, Pierre Bon, and Nathalie Bucsek. El Universo. Paris: Fleurus, 2002.

MLA (9th ed.) Citation

Beaumont, Emilie, et al. El Universo. Fleurus, 2002.