Cita APA

M J Kropff. (1990). Introduction to crop ecology. Wageningen: Department of Theoretical Production Ecology.

Chicago Style Citation

M J Kropff. Introduction to Crop Ecology. Wageningen: Department of Theoretical Production Ecology, 1990.

Cita MLA

M J Kropff. Introduction to Crop Ecology. Wageningen: Department of Theoretical Production Ecology, 1990.

Atenció: Aquestes cites poden no estar 100% correctes.