APA (7th ed.) Citation

E. & F.N. Spon & Davis Langdon Consultancy. (2009). Spon's civil engineering and highway works price book (23rd ed.). Taylor & Francis.

Chicago Style (17th ed.) Citation

E. & F.N. Spon and Davis Langdon Consultancy. Spon's Civil Engineering and Highway Works Price Book. 23rd ed. London: Taylor & Francis, 2009.

MLA (8th ed.) Citation

E. & F.N. Spon and Davis Langdon Consultancy. Spon's Civil Engineering and Highway Works Price Book. 23rd ed. Taylor & Francis, 2009.