APA (7th ed.) Citation

De Ropp, R. S. (1962). Science and salvation: A scientific appraisal of religion's central theme. St. Martin's Press.

Chicago Style (17th ed.) Citation

De Ropp, Robert S. Science and Salvation: A Scientific Appraisal of Religion's Central Theme. New York: St. Martin's Press, 1962.

MLA (9th ed.) Citation

De Ropp, Robert S. Science and Salvation: A Scientific Appraisal of Religion's Central Theme. St. Martin's Press, 1962.