Thomson, K. S. (1962). Rhipidistian classification in relation to the origin of the tetrapods. Zenodo.
Citazione stile Chigago Style (17a edizione)Thomson, Keith Stewart. Rhipidistian Classification in Relation to the Origin of the Tetrapods. Zenodo, 1962.
Citatione MLA (9a ed.)Thomson, Keith Stewart. Rhipidistian Classification in Relation to the Origin of the Tetrapods. Zenodo, 1962.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.