Microcosmos :
four billion years of evolution from our microbial ancestors /
Lynn Margulis and Dorion Sagan ; foreword by Lewis Thomas.
APA Citation
Margulis, L., Sagan, D. (1986). Microcosmos: four billion years of evolution from our microbial ancestors. New York: Summit Books.
MLA Citation
Margulis, Lynn, 1938-2011, and Dorion Sagan. Microcosmos: Four Billion Years of Evolution From Our Microbial Ancestors. New York: Summit Books, 1986.
Warning: These citations may not always be complete (especially for serials).