APA (7th ed.) Citation

Holiday, R. (2021). Courage is calling: Fortune favors the brave. Portfolio/Penguin.

Chicago Style (17th ed.) Citation

Holiday, Ryan. Courage Is Calling: Fortune Favors the Brave. New York: Portfolio/Penguin, 2021.

MLA (8th ed.) Citation

Holiday, Ryan. Courage Is Calling: Fortune Favors the Brave. Portfolio/Penguin, 2021.