APA (7th ed.) Citation

Sowell, S. L. (1989). Expanding Horizons in Collection Development with Expert Systems: Development and Testing of a Demonstration Prototype.

Chicago Style (17th ed.) Citation

Sowell, Steven L. Expanding Horizons in Collection Development with Expert Systems: Development and Testing of a Demonstration Prototype. 1989.

MLA (9th ed.) Citation

Sowell, Steven L. Expanding Horizons in Collection Development with Expert Systems: Development and Testing of a Demonstration Prototype. 1989.

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