Cita APA (7a ed.)

Langdon, D. (2006). Spon's mechanical and electrical services price book 2006 (37th ed.). Taylor & Francis.

Cita Chicago Style (17a ed.)

Langdon, Davis. Spon's Mechanical and Electrical Services Price Book 2006. 37th ed. London: Taylor & Francis, 2006.

Cita MLA (8a ed.)

Langdon, Davis. Spon's Mechanical and Electrical Services Price Book 2006. 37th ed. Taylor & Francis, 2006.