APA (7th ed.) Citation

Aman, M., & Samore, T. (1989). The Dewey Decimal Classification: Edition 20 Makes Its Bow.

Chicago Style (17th ed.) Citation

Aman, Mohammed, and Theodore Samore. The Dewey Decimal Classification: Edition 20 Makes Its Bow. 1989.

MLA (9th ed.) Citation

Aman, Mohammed, and Theodore Samore. The Dewey Decimal Classification: Edition 20 Makes Its Bow. 1989.

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