APA-viite

Prieto, J., & Carol Christensen, T. (2001). Nocturnal butterflies of the Russian empire. Faber and Faber.

Chicago-tyylinen lähdeviittaus

Prieto, Jose-Manuel, ja Thomas Carol Christensen. Nocturnal Butterflies of the Russian Empire. London: Faber and Faber, 2001.

MLA-viite

Prieto, Jose-Manuel, ja Thomas Carol Christensen. Nocturnal Butterflies of the Russian Empire. Faber and Faber, 2001.