APA (7th ed.) Citation
Flexner, S. B. (1971). Reader's Digest: How to increase your word power. Reader's Digest Association.
Chicago Style (17th ed.) Citation
Flexner, Stuart B. Reader's Digest: How to Increase Your Word Power. Pleasantville, New York: Reader's Digest Association, 1971.
MLA (9th ed.) Citation
Flexner, Stuart B. Reader's Digest: How to Increase Your Word Power. Reader's Digest Association, 1971.
Warning: These citations may not always be 100% accurate.