APA (7th ed.) Citation

Bullock, P., & Gregory, P. J. (2009). Soils in the Urban Environment. John Wiley & Sons.

Chicago Style (17th ed.) Citation

Bullock, Peter, and P. J. Gregory. Soils in the Urban Environment. Hoboken: John Wiley & Sons, 2009.

MLA (9th ed.) Citation

Bullock, Peter, and P. J. Gregory. Soils in the Urban Environment. John Wiley & Sons, 2009.