APA (7th ed.) Citation

Patterson, B. (1935). A new Argyrohippus from the Deseado beds of Patagonia. [publisher not identified].

Chicago Style (17th ed.) Citation

Patterson, Bryan. A New Argyrohippus from the Deseado Beds of Patagonia. [Chicago]: [publisher not identified], 1935.

MLA (9th ed.) Citation

Patterson, Bryan. A New Argyrohippus from the Deseado Beds of Patagonia. [publisher not identified], 1935.

Warning: These citations may not always be 100% accurate.