APA Style

Merriam-Webster, I. ([Varies; check insid). Webster’s New Explorer Dictionary of Synonyms & Antonyms ([Not specified on the cover — check inside the boo). : .

MLA Style

Merriam-Webster, Inc.. "Webster’s New Explorer Dictionary of Synonyms & Antonyms". [Not specified on the cover — check inside the boo : , [Varies; check insid. BOOK.