Cita APA (7th ed.)
Broll, G., & Keplin, B. (2005). Mountain Ecosystems: Studies in Treeline Ecology. Springer Berlin Heidelberg. https://doi.org/10.1007/b138976
Cita Chicago (17th ed.)
Broll, Gabriele, i Beate Keplin. Mountain Ecosystems: Studies in Treeline Ecology. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. https://doi.org/10.1007/b138976.
Cita MLA (9th ed.)
Broll, Gabriele, i Beate Keplin. Mountain Ecosystems: Studies in Treeline Ecology. Springer Berlin Heidelberg, 2005. https://doi.org/10.1007/b138976.
Atenció: Aquestes cites poden no estar 100% correctes.