APA Style

Santillana, G, D. (1961). The origins of scientific thought: from anaximander to proclus 600 B.C.-500 A.D. . New York: A Mentor Book.

MLA Style

Santillana, Giorgio, De. "The origins of scientific thought: from anaximander to proclus 600 B.C.-500 A.D.". New York: A Mentor Book, 1961. Text.