Birks, H., & Willis, K. (2008). Alpines, trees, and refugia in Europe.
Citación estilo ChicagoBirks, H., and K. Willis. Alpines, Trees, and Refugia in Europe. 2008.
Cita MLABirks, H., and K. Willis. Alpines, Trees, and Refugia in Europe. 2008.
Warning: These citations may not always be 100% accurate.