Hoch, R., & Dengel, A. (1993). Document highlighting: Message classification in printed business letters.
Chicago Style (17th ed.) CitationHoch, Rainer, and Andreas Dengel. Document Highlighting: Message Classification in Printed Business Letters. Kaiserslautern, 1993.
MLA (9th ed.) CitationHoch, Rainer, and Andreas Dengel. Document Highlighting: Message Classification in Printed Business Letters. 1993.
Warning: These citations may not always be 100% accurate.