Cita APA (7a ed.)

Gray, N. F. (1994). Drinking water quality: Problems and solutions. John Wiley.

Cita Chicago Style (17a ed.)

Gray, N. F. Drinking Water Quality: Problems and Solutions. Chichester: John Wiley, 1994.

Cita MLA (9a ed.)

Gray, N. F. Drinking Water Quality: Problems and Solutions. John Wiley, 1994.