APA (7th ed.) Citation

Grylls , B. (2019). Bear Grylls Adventures: The River Challenge. Bear Grylls.

Chicago Style (17th ed.) Citation

Grylls , Bear. Bear Grylls Adventures: The River Challenge. London: Bear Grylls, 2019.

MLA (9th ed.) Citation

Grylls , Bear. Bear Grylls Adventures: The River Challenge. Bear Grylls, 2019.

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