APA aipamena

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

Chicago Style aipamena

Spedding, C. R. W. The Biology of Agricultural Systems. London, New York: Academic Press, 1975.

MLA aipamena

Spedding, C. R. W. The Biology of Agricultural Systems. Academic Press, 1975.