Cita APA (7th ed.)
Wilson, R. W. (1938). Studies on cenozoic vertebrates of western North America.
Cita Chicago (17th ed.)
Wilson, Robert W. Studies on Cenozoic Vertebrates of Western North America. Washington, 1938.
Cita MLA (9th ed.)
Wilson, Robert W. Studies on Cenozoic Vertebrates of Western North America. 1938.
Atenció: Aquestes cites poden no estar 100% correctes.