APA (7th ed.) Citation

Brown, B. (1933). A new longhorned Belly River ceratopsian. American Museum of Natural History.

Chicago Style (17th ed.) Citation

Brown, Barnum. A New Longhorned Belly River Ceratopsian. New York City: American Museum of Natural History, 1933.

MLA (9th ed.) Citation

Brown, Barnum. A New Longhorned Belly River Ceratopsian. American Museum of Natural History, 1933.