Fortey, R. A. (1998). Life: A natural history of the first four billion years of life on earth (1st American ed.). Alfred A. Knopf.
Citazione stile Chigago Style (17a edizione)Fortey, Richard A. Life: A Natural History of the First Four Billion Years of Life on Earth. 1st American ed. New York: Alfred A. Knopf, 1998.
Citatione MLA (8a ed.)Fortey, Richard A. Life: A Natural History of the First Four Billion Years of Life on Earth. 1st American ed. Alfred A. Knopf, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.