APA (7th ed.) Citation

O'Reilly, B., Dugard, M., & Petkoff, R. (2015). Killing Reagan: The violent assault that changed a presidency (Unabridged.). Macmillan Audio.

Chicago Style (17th ed.) Citation

O'Reilly, Bill, Martin Dugard, and Robert Petkoff. Killing Reagan: The Violent Assault That Changed a Presidency. Unabridged. [New York]: Macmillan Audio, 2015.

MLA (8th ed.) Citation

O'Reilly, Bill, et al. Killing Reagan: The Violent Assault That Changed a Presidency. Unabridged. Macmillan Audio, 2015.

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