Plackard, D. H., & Blackmon, C. (1947). Blueprint for public relations. McGraw-Hill Book Company.
Chicago Style (17th ed.) CitationPlackard, Dwight Hillis, and Clifton Blackmon. Blueprint for Public Relations. New York, London: McGraw-Hill Book Company, 1947.
MLA (9th ed.) CitationPlackard, Dwight Hillis, and Clifton Blackmon. Blueprint for Public Relations. McGraw-Hill Book Company, 1947.
Warning: These citations may not always be 100% accurate.