APA Edition Citation

Biggs, A., & Fordham, R. (1985). Principles of vegetable crop production. Collins.

Chicago Edition Citation

Biggs, A.G, and R. Fordham. Principles of Vegetable Crop Production. Londan: Collins, 1985.

MLA Edition Citation

Biggs, A.G, and R. Fordham. Principles of Vegetable Crop Production. Collins, 1985.

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