APA Style

DUCKWORTH, Angela. (2019). Grit: Why passion and persistence are the secret to success . London: Penguin.

Chicago Style

DUCKWORTH, Angela. Grit: Why passion and persistence are the secret to success. London: Penguin, 2019. Text.

MLA Style

DUCKWORTH, Angela. Grit: Why passion and persistence are the secret to success. London: Penguin, 2019. Text.

Turabian Style

DUCKWORTH, Angela. Grit: Why passion and persistence are the secret to success. London: Penguin, 2019. Print.