Cita APA (7a ed.)

Whyte, R. (1939). Research on grassland, forage crops and the conservation of vegetation in the United States of América. Imperial Bureau of Pastures and Forage Crops.

Cita Chicago Style (17a ed.)

Whyte, R.O. Research on Grassland, Forage Crops and the Conservation of Vegetation in the United States of América. Aberystwyth: Imperial Bureau of Pastures and Forage Crops, 1939.

Cita MLA (8a ed.)

Whyte, R.O. Research on Grassland, Forage Crops and the Conservation of Vegetation in the United States of América. Imperial Bureau of Pastures and Forage Crops, 1939.