APA (7th ed.) Citation

Spedding, C. R. W. (1988). An introduction to agricultural systems (2nd edition.). Elsevier Applied Science.

Chicago Style (17th ed.) Citation

Spedding, C. R. W. An Introduction to Agricultural Systems. 2nd edition. London: Elsevier Applied Science, 1988.

MLA (9th ed.) Citation

Spedding, C. R. W. An Introduction to Agricultural Systems. 2nd edition. Elsevier Applied Science, 1988.

Warning: These citations may not always be 100% accurate.