APA (7th ed.) Citation

Twain, M., & Reiner, C. (2009). Letters from the Earth: Uncensored writings. Phoenix Audio.

Chicago Style (17th ed.) Citation

Twain, Mark, and Carl Reiner. Letters from the Earth: Uncensored Writings. Beverly Hills, CA: Phoenix Audio, 2009.

MLA (8th ed.) Citation

Twain, Mark, and Carl Reiner. Letters from the Earth: Uncensored Writings. Phoenix Audio, 2009.

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