APA (7th ed.) Citation

(2014). Merriam-Webster's dictionary and thesaurus (Revised and updated edition.). Merriam Webster, Inc.

Chicago Style (17th ed.) Citation

Merriam-Webster's Dictionary and Thesaurus. Revised and updated edition. Springfield, Mass: Merriam Webster, Inc, 2014.

MLA (9th ed.) Citation

Merriam-Webster's Dictionary and Thesaurus. Revised and updated edition. Merriam Webster, Inc, 2014.

Warning: These citations may not always be 100% accurate.