APA (7th ed.) Citation

Shea, T. (2014). Unbreakable: A Navy SEAL's way of life. Clovercroft Publishing.

Chicago Style (17th ed.) Citation

Shea, Thom. Unbreakable: A Navy SEAL's Way of Life. Franklin, TN: Clovercroft Publishing, 2014.

MLA (9th ed.) Citation

Shea, Thom. Unbreakable: A Navy SEAL's Way of Life. Clovercroft Publishing, 2014.