APA (7th ed.) Citation

Margulis, L., & Sagan, D. (2002). Acquiring genomes: A theory of the origins of species. Basic Books.

Chicago Style (17th ed.) Citation

Margulis, Lynn, and Dorion Sagan. Acquiring Genomes: A Theory of the Origins of Species. New York: Basic Books, 2002.

MLA (9th ed.) Citation

Margulis, Lynn, and Dorion Sagan. Acquiring Genomes: A Theory of the Origins of Species. Basic Books, 2002.