APA (7th ed.) Citation

Unsworth, M. H., & Ormrod, D. P. (1982). Effects of gaseous air pollution in agriculture and horticulture. Butterworth Scientific.

Chicago Style (17th ed.) Citation

Unsworth, M. H., and D. P. Ormrod. Effects of Gaseous Air Pollution in Agriculture and Horticulture. London: Butterworth Scientific, 1982.

MLA (9th ed.) Citation

Unsworth, M. H., and D. P. Ormrod. Effects of Gaseous Air Pollution in Agriculture and Horticulture. Butterworth Scientific, 1982.