APA (7th ed.) Citation

United States. Patent and Trademark Office & Allen, D. B. (1987). Allen's trademark digest: ATD. [David B. Allen].

Chicago Style (17th ed.) Citation

United States. Patent and Trademark Office and David B. Allen. Allen's Trademark Digest: ATD. [Arlington, VA]: [David B. Allen], 1987.

MLA (9th ed.) Citation

United States. Patent and Trademark Office and David B. Allen. Allen's Trademark Digest: ATD. [David B. Allen], 1987.

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