APA (7th ed.) Citation

Shinn, F. S., & Valentine, C. (2016). The secret door to success (Unabridged.). Blackstone Audio.

Chicago Style (17th ed.) Citation

Shinn, Florence Scovel, and Cary Valentine. The Secret Door to Success. Unabridged. Ashland, Or.: Blackstone Audio, 2016.

MLA (9th ed.) Citation

Shinn, Florence Scovel, and Cary Valentine. The Secret Door to Success. Unabridged. Blackstone Audio, 2016.