Williamson, W. C. (1887). A monograph on the morphology and histology of Stigmaria ficoides. Printed for the Palæontographical society.
Style de citation Chicago (17e éd.)Williamson, William Crawford. A Monograph on the Morphology and Histology of Stigmaria Ficoides. London: Printed for the Palæontographical society, 1887.
Style de citation MLA (8e éd.)Williamson, William Crawford. A Monograph on the Morphology and Histology of Stigmaria Ficoides. Printed for the Palæontographical society, 1887.
Attention : ces citations peuvent ne pas être correctes à 100%.