Cite
Prebiotic ammonia from reduction of nitrite by iron (II) on the early Earth
MLA
Summers, David P., and Sherwood Chang. “Prebiotic Ammonia from Reduction of Nitrite by Iron (II) on the Early Earth.” Nature, vol. 365, no. 6447, Oct. 1993, p. 630. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edsggo&AN=edsgcl.14635268&authtype=sso&custid=ns315887.
APA
Summers, D. P., & Chang, S. (1993). Prebiotic ammonia from reduction of nitrite by iron (II) on the early Earth. Nature, 365(6447), 630.
Chicago
Summers, David P., and Sherwood Chang. 1993. “Prebiotic Ammonia from Reduction of Nitrite by Iron (II) on the Early Earth.” Nature 365 (6447): 630. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edsggo&AN=edsgcl.14635268&authtype=sso&custid=ns315887.