Παραπομπή σε μορφή APA (7η εκδ.)

Achille, G. (2015). Snakes of Italy: Herpetological Treatise on the Biology and Iconography of Italian Ophidians. Springer International Publishing : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Achille, Gabriele. Snakes of Italy: Herpetological Treatise on the Biology and Iconography of Italian Ophidians. Cham: Springer International Publishing : Imprint: Springer, 2015.

Παραπομπή σε μορφή MLA (8th εκδ.)

Achille, Gabriele. Snakes of Italy: Herpetological Treatise on the Biology and Iconography of Italian Ophidians. Springer International Publishing : Imprint: Springer, 2015.