APA (7th ed.) Citation

Hawker, M. F. J., & Keenlyside, J. F. (1977). Horticultural machinery (2nd ed.). Longman.

Chicago Style (17th ed.) Citation

Hawker, M. F. J., and J. F. Keenlyside. Horticultural Machinery. 2nd ed. London ; New York: Longman, 1977.

MLA (9th ed.) Citation

Hawker, M. F. J., and J. F. Keenlyside. Horticultural Machinery. 2nd ed. Longman, 1977.