Cita APA (7a ed.)
Carsky, R., & Schulz, S. (2002). Graphical depiction of cropping calendars for agricultural research: IITA research guide, No. 70.
Cita Chicago Style (17a ed.)
Carsky, R.J, y S. Schulz. Graphical Depiction of Cropping Calendars for Agricultural Research: IITA Research Guide, No. 70. 2002.
Cita MLA (9a ed.)
Carsky, R.J, y S. Schulz. Graphical Depiction of Cropping Calendars for Agricultural Research: IITA Research Guide, No. 70. 2002.
Precaución: Estas citas no son 100% exactas.