APA (7th ed.) Citation

Gibson, Q. (1998). The existence principle. Kluwer.

Chicago Style (17th ed.) Citation

Gibson, Quentin. The Existence Principle. Dordrecht [u.a.]: Kluwer, 1998.

MLA (9th ed.) Citation

Gibson, Quentin. The Existence Principle. Kluwer, 1998.

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