APA (7th ed.) Citation

The philosopher's index [cd-rom]. Knight-Ridder Information, Inc.

Chicago Style (17th ed.) Citation

The Philosopher's Index [cd-rom]. U S A: Knight-Ridder Information, Inc.

MLA (8th ed.) Citation

The Philosopher's Index [cd-rom]. Knight-Ridder Information, Inc.

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