APA Edition Citation

Lockhart, J. A. R. (1989). Introduction to crop husbandry: Including grassland (6.). Pergamon Press.

Chicago Edition Citation

Lockhart, J A R. Introduction to Crop Husbandry: Including Grassland. 6. Oxford: Pergamon Press, 1989.

MLA Edition Citation

Lockhart, J A R. Introduction to Crop Husbandry: Including Grassland. 6. Pergamon Press, 1989.

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