Cita APA (7th ed.)

Pickard, R. (1996). Conservation in the built environment. Longman.

Cita Chicago (17th ed.)

Pickard, R.D. Conservation in the Built Environment. London: Longman, 1996.

Cita MLA (9th ed.)

Pickard, R.D. Conservation in the Built Environment. Longman, 1996.