APA (7th ed.) Citation

(2004). Reader's Digest Power Up Your English: The Skills Of Good Speaking. Reader's Digest.

Chicago Style (17th ed.) Citation

Reader's Digest Power Up Your English: The Skills Of Good Speaking. Hong Kong: Reader's Digest, 2004.

MLA (9th ed.) Citation

Reader's Digest Power Up Your English: The Skills Of Good Speaking. Reader's Digest, 2004.