APA (7th ed.) Citation

Barnes, J. (1972). The Ontological Argument. St. Martin's.

Chicago Style (17th ed.) Citation

Barnes, Jonathan. The Ontological Argument. Edinburgh: St. Martin's, 1972.

MLA (9th ed.) Citation

Barnes, Jonathan. The Ontological Argument. St. Martin's, 1972.

Warning: These citations may not always be 100% accurate.