Cita APA (7a ed.)

Peterson, R. A. (1967). Grassland surveys and grassland production problems. ITC-UNESCO Centre for Integrated Surveys.

Cita Chicago Style (17a ed.)

Peterson, R. A. Grassland Surveys and Grassland Production Problems. Delft: ITC-UNESCO Centre for Integrated Surveys, 1967.

Cita MLA (9a ed.)

Peterson, R. A. Grassland Surveys and Grassland Production Problems. ITC-UNESCO Centre for Integrated Surveys, 1967.