(2026). MarketLine Company Profile: Houghton Mifflin Harcourt Co. Houghton Mifflin Harcourt Company MarketLine Company Profile, 1.
Chicago Style (17th ed.) Citation"MarketLine Company Profile: Houghton Mifflin Harcourt Co." Houghton Mifflin Harcourt Company MarketLine Company Profile 2026: 1.
MLA (9th ed.) Citation"MarketLine Company Profile: Houghton Mifflin Harcourt Co." Houghton Mifflin Harcourt Company MarketLine Company Profile, 2026, p. 1.
Warning: These citations may not always be 100% accurate.
