Spruce, R., & Wallace, A. R. (1908). Notes of a Botanist on the Amazon and Andes, Volume 1: Being Records of Travel on the Amazon and its Tributaries, the Trombetas, Rio Negro, Uaupés, Casiquiari, Pacimoni, Huallaga and Pastasa. Cambridge University Press. https://doi.org/10.1017/CBO9781107252646
Chicago-Zitierstil (17. Ausg.)Spruce, Richard, und Alfred Russel Wallace. Notes of a Botanist on the Amazon and Andes, Volume 1: Being Records of Travel on the Amazon and Its Tributaries, the Trombetas, Rio Negro, Uaupés, Casiquiari, Pacimoni, Huallaga and Pastasa. Cambridge: Cambridge University Press, 1908. https://doi.org/10.1017/CBO9781107252646.
MLA-Zitierstil (9. Ausg.)Spruce, Richard, und Alfred Russel Wallace. Notes of a Botanist on the Amazon and Andes, Volume 1: Being Records of Travel on the Amazon and Its Tributaries, the Trombetas, Rio Negro, Uaupés, Casiquiari, Pacimoni, Huallaga and Pastasa. Cambridge University Press, 1908. https://doi.org/10.1017/CBO9781107252646.