Conceptual structures :
information processing in mind and machine /
John F. Sowa.

APA Citation

Sowa, J. F. (1984). Conceptual structures: information processing in mind and machine. Reading, Mass.: Addison-Wesley.

MLA Citation

Sowa, John F. Conceptual Structures: Information Processing In Mind And Machine. Reading, Mass.: Addison-Wesley, 1984.

Warning: These citations may not always be complete (especially for serials).