Houghton Mifflin Harcourt Company MarketLine Company Profile. Marketline.
Chicago Style (17th ed.) CitationHoughton Mifflin Harcourt Company MarketLine Company Profile. Marketline.
MLA (9th ed.) CitationHoughton Mifflin Harcourt Company MarketLine Company Profile. Marketline.
Warning: These citations may not always be 100% accurate.