APA Edition Citation

Lockhart, J. A. R. (1978). Introduction to crop husbandry (4.). Pergamon Press.

Chicago Edition Citation

Lockhart, J A R. Introduction to Crop Husbandry. 4. Oxford: Pergamon Press, 1978.

MLA Edition Citation

Lockhart, J A R. Introduction to Crop Husbandry. 4. Pergamon Press, 1978.

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