APA (7th ed.) Citation

Ashurst, J., & Ashurst, N. (1988). Practical building conservation: English Heritage technical handbook. Halsted Press.

Chicago Style (17th ed.) Citation

Ashurst, John, and Nicola Ashurst. Practical Building Conservation: English Heritage Technical Handbook. New York: Halsted Press, 1988.

MLA (9th ed.) Citation

Ashurst, John, and Nicola Ashurst. Practical Building Conservation: English Heritage Technical Handbook. Halsted Press, 1988.