Citazione Stile APA (7a Edizione)

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.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.