Cita APA (7a ed.)

Dix, R. L., & Beidleman, R. G. (1969). The grassland ecosystem: A preliminary synthesis. Range Science Department, Colorado State University.

Cita Chicago Style (17a ed.)

Dix, Ralph L., y Richard G. Beidleman. The Grassland Ecosystem: A Preliminary Synthesis. Fort Collins: Range Science Department, Colorado State University, 1969.

Cita MLA (8a ed.)

Dix, Ralph L., y Richard G. Beidleman. The Grassland Ecosystem: A Preliminary Synthesis. Range Science Department, Colorado State University, 1969.