Cita APA

Spedding, C. R. (1975). The biology of agricultural systems. Academic press.

Citación estilo Chicago

Spedding, Colin R.W. The Biology of Agricultural Systems. London: Academic press, 1975.

Cita MLA

Spedding, Colin R.W. The Biology of Agricultural Systems. London: Academic press, 1975.

Precaución: Estas citas no son 100% exactas.