Cita APA (7a ed.)

A Symposium Lincoln, Nebraska US, Nebraska Academy of Sciences, Caldwell, W. W., & Schultz, C. B. (1980). A Symposium: Man and the changing environments in the Great Plains. [editor no identificado].

Cita Chicago Style (17a ed.)

A Symposium Lincoln, Nebraska US, Nebraska Academy of Sciences, Warren W. Caldwell, y C. BertrandStout Schultz. A Symposium: Man and the Changing Environments in the Great Plains. Lincoln: [editor no identificado], 1980.

Cita MLA (8a ed.)

A Symposium Lincoln, Nebraska US, et al. A Symposium: Man and the Changing Environments in the Great Plains. [editor no identificado], 1980.