Cita APA (7th ed.)

Broll, G., & Keplin, B. (2005). Mountain ecosystems: Studies in treeline ecology. Springer.

Cita Chicago (17th ed.)

Broll, Gabriele, i Beate Keplin. Mountain Ecosystems: Studies in Treeline Ecology. Berlin: Springer, 2005.

Cita MLA (9th ed.)

Broll, Gabriele, i Beate Keplin. Mountain Ecosystems: Studies in Treeline Ecology. Springer, 2005.