Cita APA (7th ed.)

Freeman, T. J., Littlejohn, G. S., & Driscoll, R. M. C. (1994). Has your house got cracks?: A guide to subsidence and heave of buildings on clay. Institution of Civil Engineers.

Cita Chicago (17th ed.)

Freeman, Tim J., G Stuart Littlejohn, i Richard M. C. Driscoll. Has Your House Got Cracks?: A Guide to Subsidence and Heave of Buildings on Clay. London: Institution of Civil Engineers, 1994.

Cita MLA (8th ed.)

Freeman, Tim J., et al. Has Your House Got Cracks?: A Guide to Subsidence and Heave of Buildings on Clay. Institution of Civil Engineers, 1994.