APA (7th ed.) Citation

Davis N. (1967). Vocabulary improvement. McgGraw-Hill book company.

Chicago Style (17th ed.) Citation

Davis N. Vocabulary Improvement. New york: McgGraw-Hill book company, 1967.

MLA (8th ed.) Citation

Davis N. Vocabulary Improvement. McgGraw-Hill book company, 1967.

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