APA-viite (7. p.)

(2020). Crazy Fourth: How Jack Johnson kept his heavyweight title and put Las Vegas, New Mexico, on the map / Toby Smith.

Chicago-viite (17. p.)

Crazy Fourth: How Jack Johnson Kept His Heavyweight Title and Put Las Vegas, New Mexico, on the Map / Toby Smith. 2020.

MLA-viite (9. p.)

Crazy Fourth: How Jack Johnson Kept His Heavyweight Title and Put Las Vegas, New Mexico, on the Map / Toby Smith. 2020.