Natural science and religion two lectures
MLA
Gray, Asa. Natural Science and Religion: Two Lectures. New York: C. Scribner, 1880
APA, 7th edition
Gray, A. (1880). Natural science and religion: two lectures. New York: C. Scribner
Chicago, 17th edition
Gray, Asa. Natural science and religion: two lectures. New York: C. Scribner, 1880