American Psychological Association
Wills, Christopher, & Bada, Jeffrey ( 2000 ). Spark of Life Darwin and the Primeval Soup ( 00 ed. ). Oxford University Press.
Modern Language Association
Wills, Christopher and Bada, Jeffrey. Spark of Life Darwin and the Primeval Soup . Oxford University Press. 2000
Chicago Citation
Wills, Christopher and Bada, Jeffrey. Spark of Life Darwin and the Primeval Soup . 00 .New York
: Oxford University Press, 2000.
American Medical Association
Wills, Christopher and Bada, Jeffrey. Spark of Life Darwin and the Primeval Soup . Oxford University Press; 2000.