APA (7th ed.) Citation

(1986). Chambers twentieth 20th century thesaurus: A comprehensive word-finding dictionary (Repr.). Chambers.

Chicago Style (17th ed.) Citation

Chambers Twentieth 20th Century Thesaurus: A Comprehensive Word-finding Dictionary. Repr. Edinburgh: Chambers, 1986.

MLA (9th ed.) Citation

Chambers Twentieth 20th Century Thesaurus: A Comprehensive Word-finding Dictionary. Repr. Chambers, 1986.

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