APA (7th ed.) Citation

Balls, R. C. (1985). Horticultural engineering technology: Field machinery. Macmillan ; Distributed exclusively by Scholium International.

Chicago Style (17th ed.) Citation

Balls, R. C. Horticultural Engineering Technology: Field Machinery. Houndmills, Basingstoke, Hampshire : Great Neck, N.Y.: Macmillan ; Distributed exclusively by Scholium International, 1985.

MLA (9th ed.) Citation

Balls, R. C. Horticultural Engineering Technology: Field Machinery. Macmillan ; Distributed exclusively by Scholium International, 1985.