Cita APA (7a ed.)
Ridder, N. d., Benjamin, R., & Keulen, H. v. (1986). Forage selection and performance of sheep grazing dry annual range.
Cita Chicago Style (17a ed.)
Ridder, N.A. de, R.W Benjamin, y H. van Keulen. Forage Selection and Performance of Sheep Grazing Dry Annual Range. 1986.
Cita MLA (9a ed.)
Ridder, N.A. de, et al. Forage Selection and Performance of Sheep Grazing Dry Annual Range. 1986.
Precaución: Estas citas no son 100% exactas.