Citazione Stile APA (7a Edizione)

Stephens, P., d'Sa, C., Sillero-Zubiri, C., & Leader-Williams, N. (2001). Impact of livestock and settlement on the large mammalian wildlife of Bale Mountains National Park, southern Ethiopia.

Citazione stile Chigago Style (17a edizione)

Stephens, P., C. d'Sa, C. Sillero-Zubiri, e N. Leader-Williams. Impact of Livestock and Settlement on the Large Mammalian Wildlife of Bale Mountains National Park, Southern Ethiopia. 2001.

Citatione MLA (9a ed.)

Stephens, P., et al. Impact of Livestock and Settlement on the Large Mammalian Wildlife of Bale Mountains National Park, Southern Ethiopia. 2001.