APA (7th ed.) Citation

Spedding, C. R. W. (1979). An introduction to agricultural systems. Applied Science Publishers.

Chicago Style (17th ed.) Citation

Spedding, C. R. W. An Introduction to Agricultural Systems. London: Applied Science Publishers, 1979.

MLA (9th ed.) Citation

Spedding, C. R. W. An Introduction to Agricultural Systems. Applied Science Publishers, 1979.

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