APA (7th ed.) Citation

Dittmann, H., & Hardy, J. (2000). Learn Library of Congress classification. DocMatrix.

Chicago Style (17th ed.) Citation

Dittmann, Helena, and Jane Hardy. Learn Library of Congress Classification. Canberra: DocMatrix, 2000.

MLA (9th ed.) Citation

Dittmann, Helena, and Jane Hardy. Learn Library of Congress Classification. DocMatrix, 2000.

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