APA (7th ed.) Citation

Langdon, D. (2012). Spon's mechanical and electrical services price book 2012 (43rd ed.). Spon Press.

Chicago Style (17th ed.) Citation

Langdon, Davis. Spon's Mechanical and Electrical Services Price Book 2012. 43rd ed. Abingdon, OX: Spon Press, 2012.

MLA (8th ed.) Citation

Langdon, Davis. Spon's Mechanical and Electrical Services Price Book 2012. 43rd ed. Spon Press, 2012.