Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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