APA-viite (7. p.)

Cossio, A., & Erre, M. (2016). Skating for the sky. [publisher not identified].

Chicago-viite (17. p.)

Cossio, Alexander, ja Milton Erre. Skating for the Sky. Medellín, Colombia: [publisher not identified], 2016.

MLA-viite (9. p.)

Cossio, Alexander, ja Milton Erre. Skating for the Sky. [publisher not identified], 2016.