APA
American Association for the Advancement of Science, American Association for the Advancement of Science, . (2012). Science. Washingtion DC: American Association for the Advancement of Science.
Chicago
American Association for the Advancement of Science, American Association for the Advancement of Science, . 2012. Science. Washingtion DC: American Association for the Advancement of Science.
Harvard
American Association for the Advancement of Science, American Association for the Advancement of Science, . (2012). Science. Washingtion DC: American Association for the Advancement of Science.
MLA
American Association for the Advancement of Science, American Association for the Advancement of Science, . Science. Washingtion DC: American Association for the Advancement of Science. 2012.