Cita APA (7a ed.)
Janssen, W. G. (1993). Economic and agricultural development in West Asia and North Africa: The need for agricultural research. Elsevier.
Cita Chicago Style (17a ed.)
Janssen, Willem G. Economic and Agricultural Development in West Asia and North Africa: The Need for Agricultural Research. Elsevier, 1993.
Cita MLA (9a ed.)
Janssen, Willem G. Economic and Agricultural Development in West Asia and North Africa: The Need for Agricultural Research. Elsevier, 1993.
Precaución: Estas citas no son 100% exactas.