Coulter, J. M. (1891). Botany of western Texas: A manual of the phanegrams and pteridophytes of western Texas. Govt.print.off..
Style de citation Chicago (17e éd.)Coulter, John Merle. Botany of Western Texas: A Manual of the Phanegrams and Pteridophytes of Western Texas. Washington: Govt.print.off., 1891.
Style de citation MLA (8e éd.)Coulter, John Merle. Botany of Western Texas: A Manual of the Phanegrams and Pteridophytes of Western Texas. Govt.print.off., 1891.
Attention : ces citations peuvent ne pas être correctes à 100%.