Sinclair, W. J. . (1921). A New Hoplophoneus from the Titanotherium Beds. Investigation Aided by a Grant from the Marsh Fund of the National Academy of Sciences. Zenodo.
Citazione stile Chigago Style (17a edizione)Sinclair, William J., . A New Hoplophoneus from the Titanotherium Beds. Investigation Aided by a Grant from the Marsh Fund of the National Academy of Sciences. Zenodo, 1921.
Citatione MLA (9a ed.)Sinclair, William J., . A New Hoplophoneus from the Titanotherium Beds. Investigation Aided by a Grant from the Marsh Fund of the National Academy of Sciences. Zenodo, 1921.
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