Cita APA (7th ed.)

(2015). Trains / [designed and illustrated by David West].

Cita Chicago (17th ed.)

Trains / [designed and Illustrated by David West]. 2015.

Cita MLA (9th ed.)

Trains / [designed and Illustrated by David West]. 2015.

Atenció: Aquestes cites poden no estar 100% correctes.