APA (7th ed.) Citation

Great Britain. Department of the Environment & Hibberd, B. G. (1989). Urban forestry practice. H.M.S.O..

Chicago Style (17th ed.) Citation

Great Britain. Department of the Environment and B. G. Hibberd. Urban Forestry Practice. London: H.M.S.O., 1989.

MLA (9th ed.) Citation

Great Britain. Department of the Environment and B. G. Hibberd. Urban Forestry Practice. H.M.S.O., 1989.