Unsworth, M. H., & Ormrod, D. P. (1982). Effects of gaseous air pollution in agriculture and horticulture [proceedings]. Butterworths.
Citación estilo ChicagoUnsworth, M. H., and D. P. Ormrod. Effects of Gaseous Air Pollution in Agriculture and Horticulture [proceedings]. London: Butterworths, 1982.
Cita MLAUnsworth, M. H., and D. P. Ormrod. Effects of Gaseous Air Pollution in Agriculture and Horticulture [proceedings]. Butterworths, 1982.
Warning: These citations may not always be 100% accurate.