APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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