APA (7th ed.) Citation

Vernon, U. (2015). Harriet the invincible: Harriet the invincible.

Chicago Style (17th ed.) Citation

Vernon, Ursula. Harriet the Invincible: Harriet the Invincible. 2015.

MLA (8th ed.) Citation

Vernon, Ursula. Harriet the Invincible: Harriet the Invincible. 2015.

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