APA (7th ed.) Citation

Wharton, M., & Spector, M. (2009). Joan Baez, How sweet the sound. American Masters.

Chicago Style (17th ed.) Citation

Wharton, Mary, and Mark Spector. Joan Baez, How Sweet the Sound. [S.l.]: American Masters, 2009.

MLA (9th ed.) Citation

Wharton, Mary, and Mark Spector. Joan Baez, How Sweet the Sound. American Masters, 2009.

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